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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 6:
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
View Answer & Explanation
Question 7:
A light wave of frequency 5 x 1014Hz moves through water which has a refractive index of \(\frac{4}{3}\). Calculate the wavelength in water if the velocity of light in air is 3 x 108ms-1
  • A 4.5 x 10<sup style='font-size: smaller;'>-7</sup>m
  • B 6.0 x 10<sup style='font-size: smaller;'>-7</sup>m
  • C 1.7 x 10<sup style='font-size: smaller;'>6</sup>m
  • D 2.2 x 10<sup style='font-size: smaller;'>6</sup>m
View Answer & Explanation
Question 8:
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
View Answer & Explanation
Question 9:
A man hears his echo from a nearby hill 2s after he shouted. If the frequency of his voice is 260Hz and the wavelength is 1.29m, how far away is the hill?
  • A 330.0m
  • B 335.4m
  • C 660.0m
  • D 670.8m
View Answer & Explanation
Question 10:
What is the frequency of the sound made by a siren having a disc with 32 holes and making 25 revolution per seconds?
  • A 80Hz
  • B 600Hz
  • C 800Hz
  • D 1600Hz
View Answer & Explanation