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Sunday, 14 June 2026
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Physics Past Questions and Answers

Waec Physics Questions

Question 326:
WAEC 1993
Which of the following is correct about light and sound waves?
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  • A Both of them are associated with energy transfer
  • B Both of them need material media for propagation
  • C They are both longitudinal waves
  • D Their velocities in air are equal
  • E Both of them can be polarized
View Answer & Explanation
Question 327:
WAEC 1993
The quality of a note produced by a vibrating string is determined by the
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  • A Pitch of the note
  • B Tension of the string
  • C Material of the string
  • D Presence of overtones
  • E Thickness of the string
View Answer & Explanation
Question 328:
WAEC 1993
Which of the following is a percussion instrument?
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  • A Flute
  • B Organ
  • C Bell
  • D Piano
  • E Sonometer
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Question 329:
WAEC 1993
A short chain is usually attached to the back of a petrol tanker and trailing behind it so that the
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  • A Petrol tanker is balanced on the road
  • B Heat generated by friction in the engine can be conducted to the earth
  • C Charges generated by friction in the tanker are conducted to the earth
  • D Tanker can move slowly as the chain touches the road surface
  • E Chain can produce sound in resonance with the noise from the tanker‘s engine
View Answer & Explanation
Question 330:
WAEC 1993
Which of the following indicates the correct sequence of steps taken in charging a gold-leaf electroscope by induction? l. Removing the ebonite rod ll. Bringing a negatively charged ebonite rod close to the cap III. Earthing the cap IV. Disconnecting the earthing
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  • A III, II, I and IV
  • B II, I, III and IV
  • C III, IV II and I
  • D II, III, IV and I
  • E III, IV, I and II.
View Answer & Explanation

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