Physics 2018 Past Question | WAEC

Study the following Physics past questions and answers for JAMBWAEC  NECO and Post-JAMB. Get prepared with official past questions and answers for upcoming examinations.

11. An object at rest is said to possess 

  • A. potential energy
  • B. kinetic energy
  • C. chemical energy
  • D. electrical energy

12. According to Newton’s law of cooling, the heat energy lost per unit area of a body depends on the

I. Surface area

II. Nature of the surface

III. Temperature of the surface

IV. Excess temperature over the surroundings

  • A. I and II only
  • B. II and IV only
  • C. I,II and III
  • D. I, II and IV

13.PHYSICS 2018 WAEC

The graph of density against temperature for water is correctly illustrated by

  • A. I
  • B. II
  • C. III
  • D. IV

14.  A football is kicked at an angle of 45° to the horizontal over a defense line up with a velocity of 15\(ms^{-1}\). Calculate the magnitudeof horizontal velocity of the ball at its highest point  [Neglect friction, g = 10\(ms^{-2}\)].

  • A. 0.0\(ms^{-1}\)
  • B. 5.6\(ms^{-1}\)
  • C. 10.6\(ms^{-1}\)
  • D. 15.0\(ms^{-1}\)

15. The ice point on the absolute scale of temperature is

  • A. 0K
  • B. 32K
  • C. 100K
  • D. 273K

16. Which of the following factors does not increase the rate of evaporation of water in a lake?

  • A. Increase in the pressure of the atmosphere
  • B. Rise in temperature
  • C. Increase in the surface area of the lake
  • D. Increase in the speed of the wind

17. The bob of a simple pendulum takes 8.0s to complete 10 oscillations. Determine the frequency of oscillation of the bob.

  • A. 0.125Hz
  • B. 1.25Hz
  • C. 7.50Hz
  • D. 8.00Hz

18. physics mercuryThe diagram above illustrates the mercury-in-glass thermometer used for determining the temperature of a room. Use the data on it to determine the room temperature. 

  • A. 3.3°C
  • B. 7.0°C
  • C. 13°C
  • D. 30.0°C

19. Frequency is measured in

  • A. meter per second
  • B. seconds
  • C. hertz
  • D. farad

20. Which of the following electromagnetic waves is most energetic? 

  • A. Radio waves
  • B. X-ray
  • C. Gamma rays
  • D. Ultra-violet rays
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