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Sunday, 16 August 2026
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Physics Past Questions and Answers

Topic: Characteristics/Properties

Jamb Physics Questions - Characteristics/Properties

Question 11:
Determine the distance between the consecutive antinodes XX if the wavelength is 60cm
  • A 15cm
  • B 30cm
  • C 60cm
  • D 120cm
View Answer & Explanation
Question 12:
The wavelength of signals from a radio transmitter is 1500mm and the frequency is 200kHz. What is the wavelength for a transmitter operating at 100kHz?
  • A 7500m
  • B 300m
  • C 75m
  • D 15m
View Answer & Explanation
Question 13:
What is the speed of a particle of mass 10-27kg whose wavelength is 10-8m.
[h = 6.63 x 10-34Js]
  • A 6.63ms<sup style='font-size: smaller;'>-1</sup>
  • B 66.30ms<sup style='font-size: smaller;'>-1</sup>
  • C 663.00ms<sup style='font-size: smaller;'>-1</sup>
  • D 6630.00ms<sup style='font-size: smaller;'>-1</sup>
View Answer & Explanation
Question 14:
If the distance from a point source of sound is doubled, by what factor does the intensity decrease?
  • A 4.00
  • B 2.00
  • C 0.50
  • D 0.25
View Answer & Explanation
Question 15:
If a light wave has a wavelength of 500nm in air what is the frequency of the wave?
[c = 3 x 108 ms-1]
  • A 3.0 x 10<sup style='font-size: smaller;'>14</sup> Hz
  • B 6.0 x 10<sup style='font-size: smaller;'>14</sup> Hz
  • C 6.0 x 10<sup style='font-size: smaller;'>12</sup> Hz
  • D 2.5 x 10<sup style='font-size: smaller;'>14</sup> Hz
View Answer & Explanation