Physics Past Questions v40 for (JAMB/WAEC/NECO)

Physics Past Questions v40 For (JAMB/WAEC/NECO); These Physics past questions are for students who are sitting for the following examinations


  • JAMB
  • Post-UTME / Post-JAMB
  • WAEC
  • NECO

Physics Past Questions v40 For (JAMB/WAEC/NECO)


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#1. Control in nuclear reactors is effected with boron rods because rhe rods have the ability to

#2. Fleming's right hand rule is also called the

#3. A transformer is required to supply 12 Vrms to operate a toy train set from a 240 Vrms. If the number of turns in the in the secondary coil is 100, calculate the number of turns required in the primary coil

#4. A direct current of 5A flow through a 0.2H inductor. Calculate the energy stored in the inductor

#5. When a radioactive substance undergoes a beta decay, its

#6. Which of the following is a unit of the time rate of flow of electric charges?

#7. A voltmeter is a device that

#8. Which of the following actions will not increase the sensitivity of a moving coil galvanometer?

#9. Which of the following defects of vision is as a result of the eye ball being too long?

#10. A negatively charged rod is held close to an uncharged metal ball on an insulating stand. The ball will

#11. If the charge on an object is measured as 4.0 x 10-18C, how many excess electrons does the object possess, given that the charge of an electron is 1.6 x 10-18C

#12. In the day time, it is possible to see under shady areas such as under a tree because light has undergone

#13. The distance between a concave mirror and an object placed in front of it is 1.0m. If the raduis of curvature of the mirror is 4.0m, the image formed will be

#14. The image of an object formed by a convex mirror is

#15. When viewed straight down, a fish in a pond is

#16. A converging lens and a screen are placed 20 cm and 80 cm respectively from an object in a straight line so that a sharp image of the object is formed on the screen. If the object is 3cm high. Calculate the height of the image formed

#17. Water of mass 1.5kg is heated from from 30oC to 80oC using an electric kettle which is rated 5A, 230V. Calculate the time taken to reach the final destination [specific heat capacity of water 4200Jkg-1K-1]

#18. The working principle of a pressure cooker is based on the

#19. It takes a shorter time for a liquid to boil at the top of a mountain than at the base because at the top, the

#20. Light is considered as a transverse wave because it travels

#21. Which of the following devices convert heat energy to electrical energy?

#22. An object of mass 0.25kg moves at a height h above the ground with a speed of 4ms-1, if its mechanical energy at this height is 12 J, determine the value of h. [g = 10ms-1]

#23. The design of the thermostat of an electric iron is based on the

#24. The diagram above represents the displacement-time graph of the motion of an object thrown upwards. The velocity of the object at the point P is

#25. The mass attached to a string is moving in a circular path. If the speed is doubled, the tension in the string will be

#26. An object of mass 2kg moving with a velocity 3ms-11 collides head-on with another object of mass 1kg moving in the opposite direction with a velocity of 4ms-1. If the objects stick together after collision, calculate their common speed.

#27. A ball is dropped and it hits the floor at a point A. It rebounds upward to a point B. While moving from A to B its

#28. A rectangular block of dimensions 2.0m x 1.0m x 0.5m weighs 200N. calculate the maximum pressure exerted by the block on a horizontal floor.

#29. A very sensitive spring balance was used to determine the weight of an object at the north pole. When the same spring balance was used to measure the weight of the same object at the equator, it was found to reduce. The explanation for this observation is that

#30. Which of the following sets of quantities is fundamental?

#31. which of the following statements about Archimedes' principle is correct? The upthrust on a body is a measure of the

#32. A car travelling with a uniform velocity of 30ms-1 along a horizontal road overcomes a constant frictional force of 600N. Calculate the power of the engine of the car

#33. Which of the following factors can affect the speed of sound in air? i. The temperature of the surrounding ii. The direction of the wind iii. The pitch of the sound.

#34. Which of the following statements distinguishes thermal conduction for convection? i. Conduction requires a material medium while convection does not ii. In convection, there is actual motion of hot material, while in conduction, molecules molecules vibrates faster about their mean positions iii. Conduction takes place in solids while convection takes place in fluids.

#35. A radioactive element has a decay constant of 0.077s-1, calculate its half life

#36. Nuclear fission is preferred to nuclear fusion in the generation of energy because

#37. When light from a source is sent through a gas. i. certain wavelengths are absorbed. ii. a dark line is left. Which of the following is/are correct?

#38. Which of the following statements about wave is not correct? i. A wavefront is a line which contains all particles whose vibration are in phase. ii. The direction of propagation of a wave is the link drawn parallel to the wavefront. iii. A wavefront is a circle which is common to particles that are in the same state of disturbance


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Physics Past Questions v40 for (JAMB/WAEC/NECO)