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Monday, 20 April 2026
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Physics Past Questions and Answers

Topic: Characteristics/Properties

Jamb Physics Questions - Characteristics/Properties

Question 1:
The combination of sound waves with different frequencies is known as
  • A Interference
  • B Diffraction
  • C Superposition
  • D Forced vibration
  • E Resonance
View Answer & Explanation
Question 2:
which of the following is NOT correct? i. the pitch of a sound note depends on the frequency of vibrations. ii. the intensity of a sound note is proportional to the amplitude of vibrations. iii. beats are produced by two sources of sound because one wave is travelling faster than the other. iv. when two sources of sound of frequencies 500Hz and 502Hz are sounded together, a beat frequency of 2Hz is observed. v. the first harmonic of a tone have double the frequency of the fundamental note.
  • A I and ii
  • B Ii and iii
  • C I and iii
  • D Iii and iv
  • E Iv and v
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Question 3:
Radio waves have a velocity of 3 x 108ms-1. A radio station sends out a broadcast on a frequency of 800kHz. The wavelength of the broadcast is
  • A 375.0m
  • B 267.0m
  • C 240.0m
  • D 37.5m
  • E 26.7m
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Question 4:
In which of the following arrangements is the wavelength in an increasing order?
  • A Gamma rays, infra-red rays, x-rays, radiowaves
  • B Gamma rays, x-rays, infra-red ray, radiowaves
  • C Radiowaves, x-rays, gamma ray, infra-red rays
  • D Infra-red rays, radiowaves, x-rays, gamma rays
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Question 5:
The wavelength of ultraviolet radiation is 400nm. If the speed of light in air is 3 x 108ms-1, then the frequency of the ultraviolet radiation is
  • A 1.3 x 10<sup style='font-size: smaller;'>15</sup>Hz
  • B 7.5 x 10<sup style='font-size: smaller;'>5</sup>Hz
  • C 1.2 x 10<sup style='font-size: smaller;'>11</sup>Hz
  • D 7.5 x 10<sup style='font-size: smaller;'>14</sup>Hz
View Answer & Explanation