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Friday, 01 May 2026
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Physics Past Questions and Answers

Jamb Physics Questions

Question 411:
What is the effect of the increase in the size of the hole of a pin-hole camera on the image? it
  • A Gives a blurred image
  • B Corrects for chromatic aberration
  • C Magnifies the image
  • D Brings the image into a sharper focus
View Answer & Explanation
Question 412:
A pencil is placed vertically between a concave mirror and its focal point. The image of the pencil in the mirror will be
  • A Real, inverted and diminished
  • B Virtual, inverted and enlarged
  • C Real, erect and enlarged
  • D Virtual, erect and enlarged
View Answer & Explanation
Question 413:
A wave of frequency 10Hz forms a stationary wave pattern in a medium where the velocity is 20cms-1. The distance between adjacent nodes is
  • A 1.0cm
  • B 1.5cm
  • C 2.0cm
  • D 5.0cm
View Answer & Explanation
Question 414:
Which of the following is true of the loudness of sound? It
  • A Depends on the square of the amplitude of the vibrating body
  • B Is proportional to the distance of the observer from the source of the sound
  • C Is greatest in vacuum
  • D Is dependent in vacuum
View Answer & Explanation
Question 415:
A man clapping his hands at regular intervals observes that the echo of a clap coincides with the next clap. If the reflecting cliff is 160m away and the speed of sound is 320ms-1, what is the frequency of the clapping?
  • A 1 Hz
  • B 2Hz
  • C 4Hz
  • D 8Hz
View Answer & Explanation