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Unofficial practice · EUEE

2015 E.C. Physics EUEE past paper

42 questions · 2015 E.C. / 2023 G.C. · Natural stream · unofficial

Unofficial practice for the 2015 E.C. / 2023 G.C. Physics Ethiopian University Entrance Exam (EUEE / matric). 42 question stems from the Abrari bank are listed below. Not an official Ministry, EAES, MoLS, or OCACC paper.

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Unofficial EUEE past-paper items. Not an official key.

1 / 5physicsElectric field units

Which one of the following units is NOT a possible unit of electric field strength?

Unofficial practice. Abrari is an independent study aid and is not affiliated with, endorsed by, or an official product of the Ethiopian Ministry of Education (MoE), EAES, MoLS, or OCACC. Answers are Abrari keys, not an official marking scheme.

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Questions on this paper

Stems are visible for study. Worked solutions stay inside each item and are unofficial.

Q1 · Electric field units

Which one of the following units is NOT a possible unit of electric field strength?
  1. A. Newton/Coulomb
  2. B. Joule/Coulomb
  3. C. Volt/meter
  4. D. Joule/(Coulomb×meter)
Worked solutionUnofficial

Unofficial keyed letter B. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q2 · Magnetism

Which one of the following statements does NOT describe magnetic nature of a material?
  1. A. There is no a single magnetic North or magnetic South Pole.
  2. B. Magnetic dipoles of a material aligned parallel when the magnetic material is placed in external magnetic field.
  3. C. Magnetic molecules in a magnet will align when they are heated or hammered.
  4. D. Magnetic molecules (dipoles) are oriented randomly when a material lose its magnetism.
Worked solutionUnofficial

Unofficial keyed letter C. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q3 · Semiconductors

Which one of the following statements is correct about conduction in semiconductors?
  1. A. N-type semiconductor is made from half-filled shell atoms doped with accepter atoms.
  2. B. P-type semiconductors have holes as minority charge carriers in the crystal lattice of the material.
  3. C. The majority charge carriers in N-type semiconductors are electrons due to doping.
  4. D. When atoms with half-filled electrons are doped with atoms of five valance electrons, the majority charge carriers are holes.
Worked solutionUnofficial

Unofficial keyed letter C. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q4 · Gravitation

What is the acceleration due to gravity at an altitude twice the radius of the Earth? (gEg_E is the gravitational acceleration on the surface of the Earth).
  1. A. gE3\frac{g_E}{3}
  2. B. gE9\frac{g_E}{9}
  3. C. 3gE3g_E
  4. D. gE4\frac{g_E}{4}
Worked solutionUnofficial

Unofficial keyed letter B. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q6 · DC circuits

A 64 V battery is connected to a series combination of 3 kΩ bulb and 4 kΩ electric iron. If the total current in the circuit is 8 mA, what is the internal resistance of the battery?
  1. A. 1 kΩ
  2. B. 7 kΩ
  3. C. 8 kΩ
  4. D. 15 kΩ
Worked solutionUnofficial

Unofficial keyed letter A. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q7 · Magnetic field of solenoid

A solenoid with 5000 turns and length 1m carries 15A of current. If no iron core is inserted in the solenoid, what is the magnetic field strength at the center of the solenoid?
  1. A. 20π×10−220π\times10^{-2} T
  2. B. 6π×10−26π\times10^{-2} T
  3. C. 3π×10−23π\times10^{-2} T
  4. D. 4π×10−24π\times10^{-2} T
Worked solutionUnofficial

Unofficial keyed letter C. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q8 · Sound intensity

A small source emits sound waves which are spherical. The intensity of the sound wave measures at a distance r = 3.0 m from the source is 1.5 W/m². At what distance from the source would the intensity be one-fourth as much as it is at r = 3.0 m?
  1. A. 12.012.0 m
  2. B. 9.09.0 m
  3. C. 4.54.5 m
  4. D. 6.06.0 m
Worked solutionUnofficial

Unofficial keyed letter D. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q10 · Refraction

Light ray is allowed to enter from air medium (nair=1)(n_{air}=1) into water medium (index of refraction nw=43)n_w=\frac{4}{3}) at an angle of 30∘30^\circ with the normal to air-water interface (boundary). Which one of the following is correct about the ray of light?
  1. A. The sine of the angle of refraction of the light ray in water is equal to 0.5.
  2. B. The sine of the angle of refraction of the light ray in water is equal to 0.38.
  3. C. The speed of the light ray in water is 1.331.33 times that of its speed in air.
  4. D. The speed of the light ray in water is 0.90.9 times that of its speed in air.
Worked solutionUnofficial

Unofficial keyed letter B. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q11 · Fluid mechanics

A fluid travelling over an object's surface exerts less pressure than if the fluid was static. This is a statement of
  1. A. Bernoulli's principle.
  2. B. principle of continuity.
  3. C. Pascal's principle.
  4. D. Archimedes' principle.
Worked solutionUnofficial

Unofficial keyed letter A. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q12 · Latent heat experiment

Which one of the following activities of experiment is NOT necessary to determine the specific latent heat of vaporization of water?
  1. A. Measuring temperature
  2. B. Measuring volume
  3. C. Measuring time
  4. D. Measuring mass
Worked solutionUnofficial

Unofficial keyed letter B. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q13 · Critical and boiling points

Which one of the following statements is correct about critical and boiling points of a substance?
  1. A. The critical point and the boiling point of a substance occur at the same specific temperature and pressure.
  2. B. Both critical temperature and boiling point of a substance can be increased or decreased based on the pressure of the surrounding.
  3. C. The boiling point of a substance can be different based on the pressure of the surrounding whereas critical point occurs at one specific pressure and temperature.
  4. D. The critical temperature of a substance can be increased or decreased based on the pressure of the surrounding whereas boiling point does not vary with the pressure of the surrounding.
Worked solutionUnofficial

Unofficial keyed letter C. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q14 · Moment of inertia

A 30 kg rigid object has a moment of inertia 45 kg⋅m2 about its center of mass. What is the object's moment of inertia when it rotates through an axis 2 m away and parallel to the axis through its center of mass?
  1. A. 90 kg⋅m2
  2. B. 165 kg⋅m2
  3. C. 180 kg⋅m2
  4. D. 105 kg⋅m2
Worked solutionUnofficial

Unofficial keyed letter B. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q16 · Continuity equation

Water flows at the rate of 500.0 cm³/s at small cross-section 5 cm². The larger cross-section is 25 cm². What is the ratio of the speed of the water at A₁ to A₂.

This item uses a figure in the original paper (not redrawn here).

  1. A. 5
  2. B. 100
  3. C. 0.2
  4. D. 20
Worked solutionUnofficial

Unofficial keyed letter A. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q17 · Adiabatic process

An ideal monoatomic gas expands adiabatically from an initial volume of 2 liters at a temperature of 300 K to 16 liters of volume. What is the final temperature of the gas? (Use the ratio of specific heat capacity at constant pressure to that at constant volume to be 5/3.)
  1. A. 37.5 K
  2. B. 75 K
  3. C. 2400 K
  4. D. 1200 K
Worked solutionUnofficial

Unofficial keyed letter B. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q18 · Simple harmonic motion

Consider a particle performing a circular motion around a circle of radius r with an angular velocity ω\omega and the particle's projection on the horizontal diameter of the circle (between points Q and R) as shown in the figure below? Which one of the following statements is correct about the motion of the particle and its projection on QR‾\overline{QR}

This item uses a figure in the original paper (not redrawn here).

  1. A. The projection of the particle on QR‾\overline{QR} swings between points Q and R with constant speed.
  2. B. The circular motion of the particle can be taken as a simple harmonic motion.
  3. C. The projection of the particle on QR‾\overline{QR} demonstrates simple harmonic motion.
  4. D. The projection of the particle on QR‾\overline{QR} demonstrates motion with constant acceleration.
Worked solutionUnofficial

Unofficial keyed letter C. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q19 · Resonance in pipes

Air molecules vibrate in a pipe of length L closed at one end but open at the other. If the speed of sound through the pipe is VV, which one of the following statements is correct about the resonance effects of vibration of air molecules in the pipe?
  1. A. The fundamental resonance frequency is V4L{\frac{V}{4L}}.
  2. B. The fundamental wave length of resonance is equal to 2L2L.
  3. C. The resonance frequency of the first harmonics is VL{\frac{V}{L}}.
  4. D. The wavelength of the third harmonic is equal to LL.
Worked solutionUnofficial

Unofficial keyed letter A. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q20 · Interference

A monochromatic light of wave length λ\lambda passes through double slits separated by a distance d. If the path difference between the lights is a and being an integer (0, 1, 2, 3, ...). Which one of the following would be observed on screen behind the slits?
  1. A. constructive interference if p=(n+1/2)λp = (n + 1/2) \lambda.
  2. B. constructive interference if p=nλp = n \lambda.
  3. C. destructive interference if p=2nλp = 2 n \lambda.
  4. D. destructive interference if p=0p = 0
Worked solutionUnofficial

Unofficial keyed letter B. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q21 · Newton's third law

Suppose you are standing on a horizontal floor, in a room, with one of your feet and leaning the wall of the room with the other foot. The number of action reaction pair of forces you experience is
  1. A. 1.
  2. B. 3.
  3. C. 2.
  4. D. 4.
Worked solutionUnofficial

Unofficial keyed letter B. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q22 · Latent heat

The amount of heat energy required to change a substance from a liquid to a gaseous state is known as
  1. A. specific heat capacity.
  2. B. quantity of heat.
  3. C. latent heat of fusion.
  4. D. latent heat of vaporization.
Worked solutionUnofficial

Unofficial keyed letter D. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q23 · Mechanical waves

Which one of the following is correct about mechanical waves?
  1. A. The maximum height in a transverse wave is known as the trough of the wave.
  2. B. The time taken for one complete wave to pass a given point is called the frequency of the wave.
  3. C. The distance between two identical points on adjacent waves is known as the wavelength of the wave.
  4. D. The number of complete waves that passes a given point per time is called the period of the wave.
Worked solutionUnofficial

Unofficial keyed letter C. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q24 · Impulse and momentum

A car of mass 1.50 × 10³ kg collides with a wall and rebounds. The initial and final velocities of the car are v1=−15.0v_1 = -15.0 m/s and v2=2.60v_2 = 2.60 m/s respectively. If the collision lasts for 0.15 s, what is the magnitude of the average force exerted on the car?
  1. A. 2.60 × 10⁴ N
  2. B. 3.96 × 10³ N
  3. C. 2.64 × 10⁴ N
  4. D. 1.76 × 10⁵ N
Worked solutionUnofficial

Unofficial keyed letter D. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q25 · Work by friction

Starting from rest, a block of mass 5.0 kg slides 2.5 m down a rough 37° incline. The coefficient of kinetic friction between the block and the incline is µk=0.44µ_k = 0.44. What is the work done by the friction force on the block?
  1. A. -75.00 J
  2. B. -18.92 J
  3. C. -44.00 J
  4. D. -59.00 J
Worked solutionUnofficial

Unofficial keyed letter C. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q26 · Efficiency of inclined plane

An inclined plane is 20 m long and is inclined at an angle of 15° to the horizontal. If the effort required to push a block of weight 3,000 N up the slope is 900 N, what is the efficiency of the inclined plane?
  1. A. 100 %
  2. B. 86.7 %
  3. C. 25.9 %
  4. D. 30.0 %
Worked solutionUnofficial

Unofficial keyed letter B. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q27 · Buoyancy / density

A wooden block of volume 5.00 × 10⁻⁴ m³ floats partially submerged in water, and a small steel object of mass m is placed on top of the block. When m = 0.25 kg, the system is in equilibrium and the top of the wooden block is at the level of the water. What is the density of the wood?
  1. A. 1000 kg.m⁻³
  2. B. 1500 kg.m⁻³
  3. C. 500 kg.m⁻³
  4. D. 800 kg.m⁻³
Worked solutionUnofficial

Unofficial keyed letter C. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q28 · Vector displacement

A boy in a journey covers his route by travelling 3.0 km east and 4.0 km north. What is the magnitude of his resultant displacement?
  1. A. 5.0 km
  2. B. 1.0 km
  3. C. 7.0 km
  4. D. 2.7 km
Worked solutionUnofficial

Unofficial keyed letter A. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q30 · Thermal expansion

A bimetallic strip made up of iron and brass bonded together is used in a thermostat. The coefficient of linear expansions for iron and brass are 1.1 × 10⁻⁵/K and 1.9 × 10⁻⁵/K, respectively. Which of one the following phenomena occurs when the temperature changes?
  1. A. When the temperature decreases, the brass section of the bimetallic strip contracts slowly than the iron and the strip bends towards the brass section.
  2. B. When the temperature increases, the iron section of the bimetallic strip expands faster than the brass and the strip bends towards the brass section.
  3. C. When the temperature increases, the brass section of the bimetallic strip expands faster than the iron and the strip bends towards the iron section.
  4. D. When the temperature decreases, the iron section of the bimetallic strip contracts faster than the brass and the strip bends towards the iron section.
Worked solutionUnofficial

Unofficial keyed letter C. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q31 · Coherent light

Which one of the following statements does NOT describe coherent light or interference of coherent light?
  1. A. Two waves which maintain constant phase relationship can produce sustained interference.
  2. B. Sustainable interference pattern can be formed by two waves with variable phase difference.
  3. C. In order for two waves to be coherent, they must be the same type of wave.
  4. D. Coherent light waves have the same frequency and wavelength.
Worked solutionUnofficial

Unofficial keyed letter B. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q32 · Kirchhoff's rules

Kirchhoff's junction rule is a consequence of conservation of
  1. A. momentum.
  2. B. mass.
  3. C. charge.
  4. D. electrical energy.
Worked solutionUnofficial

Unofficial keyed letter C. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q33 · Photoelectric effect

Which one of the following statements describes the photoelectric effect interaction of radiation with matter?
  1. A. When radiation of certain frequency f, interact with atoms of a material, electrons will be emitted with energies proportional to the radiation energy.
  2. B. Any value of photons (radiations) is capable of producing photoelectrons from a metal.
  3. C. In photoelectric effect, the photoelectron energy is directly proportional to the wavelength of incident radiation.
  4. D. The intensity of radiation incident on a material can affect the energy of photoelectrons emitted from the metal surface.
Worked solutionUnofficial

Unofficial keyed letter A. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q34 · Coulomb's law

A positive point charge of 2 μC is placed on the x-axis at the origin and a positive charge of 6 μC and a negative point charge of -4 μC are placed, respectively at x=-3cm and x=+3cm on the x-axis. What is the net electric force on the 2 μC charge?
  1. A. 200 N toward the negative x-axis
  2. B. 200 N toward the positive x-axis
  3. C. 40 N toward the positive x-axis
  4. D. 40 N toward the negative x-axis
Worked solutionUnofficial

Unofficial keyed letter B. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q35 · Potential energy in fields

Consider a point charge Q in an electrostatic field and a point mass m in a gravitational field. Which one of the following statements is correct about the potential energy of the objects?
  1. A. The electric potential decreases as a positive charge moves opposite to the electric field while the gravitational potential of the mass increases when it moves along the gravitational field.
  2. B. The potential energy of the point charge and that of the point mass changes as they move over equipotential surfaces in their respective fields.
  3. C. The potential energies at distance r, from the field sources for both Q and m vary inversely with r².
  4. D. The gravitational force on mass m is in the same direction of the gravitational field while the electric force on Q in the same or opposite directions depending the sign of the charge.
Worked solutionUnofficial

Unofficial keyed letter D. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q37 · Magnetic force on charge

An electron moving with a speed of 2.2×10⁷m/s east enters the region of a magnetic field strength of 5×10⁻⁴ T directed north. What is the magnetic force experienced by the electron?
  1. A. 1.76×10⁻¹⁵ N, perpendicular to north and east directions
  2. B. 8×10⁻¹⁵ N, perpendicular to north and east directions
  3. C. 3.64×10⁻³⁰ N, towards east direction
  4. D. 1.76×10⁻¹⁵ N towards north direction
Worked solutionUnofficial

Unofficial keyed letter A. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q38 · Electromagnetic induction

A magnetic field intensity of 4x10⁻⁴ T crosses a coil having face area 100 cm² and 5x10⁴ turns perpendicular to the face of the coil. If the magnetic flux in the coil set to zero within 2 ms. What is the magnitude of the induced emf in the coil?
  1. A. 4x10⁻³ V
  2. B. 100 V
  3. C. 10 V
  4. D. 2x10⁻⁵ V
Worked solutionUnofficial

Unofficial keyed letter B. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q39 · LC resonance

In a simple a.c circuit, an inductor of 4μH and a capacitor of 9 pf are connected in series to each other and the combination is connected to an a.c source. What is the angular frequency at resonance of the circuit?
  1. A. 3.8x10⁸ rad/s
  2. B. 2.7x10⁵ rad/s
  3. C. 3.6x10⁷ rad/s
  4. D. 1.67x10⁸ rad/s
Worked solutionUnofficial

Unofficial keyed letter D. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q40 · Atomic transitions

Electrons in a Sodium atom emit radiation when they move from a higher energy level of -0.81eV to a lower energy level of -2.21eV. What is the frequency of radiation emitted in the process?
  1. A. 3.38x10¹⁴ Hz
  2. B. 1.40x10¹⁵ Hz
  3. C. 8.10x10¹⁵ Hz
  4. D. 2.21x10¹⁴ Hz
Worked solutionUnofficial

Unofficial keyed letter A. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q41 · Power of a lens

Which one of the following statements is NOT correct about power of a lens?
  1. A. The power of a lens decreases as the focal length of the lens increases.
  2. B. The larger the focal length of the lens, the greater is the power of the lens.
  3. C. The power of a lens is the measure of the strength of the lens.
  4. D. Optician gives the name diopters for the unit of power of a lens.
Worked solutionUnofficial

Unofficial keyed letter B. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q42 · Vectors and scalars

Which one of the following groups of physical quantities contains only vectors?
  1. A. Work, Electric field, Displacement and Force
  2. B. Acceleration, Speed, Force and Electric field
  3. C. Momentum, Energy, Magnetic field and Force
  4. D. Displacement, Velocity, Magnetic field and Momentum
Worked solutionUnofficial

Unofficial keyed letter D. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q43 · Significant figures

Which rule about the number of significant figures is correct? Zeros in the number
  1. A. 450.0 are significant figures.
  2. B. 0.0023 are significant figures.
  3. C. 1.1000 are not significant figures.
  4. D. 2.70018 are not significant figures.
Worked solutionUnofficial

Unofficial keyed letter A. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q44 · Scalar (dot) product

Given two vectors v₁ = 10 units along the positive y-axis and v₂ = 6 units at an angle of 37° above the positive x-axis. What is the scalar product of the vectors in square of units?
  1. A. 45
  2. B. 36
  3. C. 48
  4. D. 60
Worked solutionUnofficial

Unofficial keyed letter B. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q45 · Average velocity

An airplane takes-off at airport A and travels 500 km due east within one hour and then turning to south it flies for 20 minutes to land on airport B which is 100 km away from the turning point. The magnitude average velocity of the plane during its flight between the two airports is
  1. A. 24\sqrt{24} km/h
  2. B. 10034\sqrt{34} km/h
  3. C. 450 km/h
  4. D. 752675\sqrt{26} km/h
Worked solutionUnofficial

Unofficial keyed letter D. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q46 · Projectile motion

A bullet is fired with an initial speed v at an angle θ with the horizontal. It takes a time T to reach its maximum vertical displacement hmax. It hits the target point a distance R away and exactly in the horizontal level to the point where it was fired. Which one of the following statement is NOT correct about the motion of the bullet?
  1. A. The bullet hits the target at a time 2T after it was fired.
  2. B. hmax is directly proportional to the initial speed v.
  3. C. R will be maximum if cos θ = 2/2\sqrt{2}/2.
  4. D. θ should be different from 90° to hit the target at a distance R.
Worked solutionUnofficial

Unofficial keyed letter B. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Q47 · Friction on incline

A man pushes a 25.0 kg object by 250 N force along an inclined plane inclined at an angle of 37° to the horizontal. If the object moves with constant speed, the friction force exerts on the block is
  1. A. 250.0 N, up the inclined plane.
  2. B. 100.0 N, up the inclined plane.
  3. C. 100.0 N, down the inclined plane.
  4. D. 250.0 N, down the inclined plane.
Worked solutionUnofficial

Unofficial keyed letter C. A full worked solution is not published for this item yet.

Unofficial — solved by Abrari, not an official EAES key.

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Frequently asked questions

Are these official EUEE past papers?
No. Abrari publishes unofficial practice reconstructed from the study bank for this 2015 E.C. Physics paper. It is not an official EAES or Ministry paper and does not use government logos.
Are the answers official?
No. Letters and worked solutions are unofficial Abrari keys. Verified write-ups are labelled Unofficial. Do not treat them as an official marking scheme.
Is Abrari part of MoE, EAES, MoLS, or OCACC?
No. Abrari is an independent study aid. It is not affiliated with, endorsed by, or an official product of those agencies.
Do I need to pay to practice?
No. The questions on this page are free to read and try. There is no payment step.

Try 5 from this paper