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Sunday, 16 August 2026
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Physics Past Questions and Answers

Topic: Beats

Jamb Physics Questions - Beats

Question 1:
The combination of sound waves with different frequencies is known as
  • A Interference
  • B Diffraction
  • C Superposition
  • D Forced vibration
  • E Resonance
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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:
The fig above shows two waveforms X and Y. If the frequency of X is 30Hz what is the frequency of Y
  • A 12Hz
  • B 19Hz
  • C 60Hz
  • D 75Hz
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Question 4:
Two tuning forks of frequency 256Hz and 260Hz are sounded close to each other. What is the frequency of the beats produced?
  • A 2Hz
  • B 4Hz
  • C 8Hz
  • D 258Hz
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Question 5:
During a thunderstorm, the sound is heard over a long time. this phenomenon is referred to as
  • A Diffraction of sound
  • B Refraction of sound
  • C Superposition
  • D Reveraberation
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