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Tuesday, 10 November 2026
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Physics Past Questions and Answers

Jamb 2022 Physics Questions

Question 31:
Which of the following liquid is a poor conductor of electricity?
  • A Distilled water
  • B Tap water
  • C Sea water
  • D Drinking water
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Question 32:
An isotope has an initial activity of 120 Bq. 6 days later its activity is 15 Bq. The half-life is?
  • A 3 days
  • B 2 days
  • C 1 day
  • D 4 days
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Question 33:
The secondary pigments consist of?
  • A Blue, green, and violet
  • B Yellow, green, and magenta
  • C Magenta, yellow, and cyan
  • D Red, green, and blue
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Question 34:
A person standing waist-deep in a swimming pool appears to have short legs because of light?
  • A Diffraction
  • B Refraction
  • C Reflection
  • D Interference
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Question 35:
A tuning fork having a frequency of 312 Hz emits a wave which has a wavelength of 1.10 m. Calculate the velocity of sound
  • A 312.0 ms\(^{-1}\)
  • B 110.0 ms\(^{-1}\)
  • C 343.2 ms\(^{-1}\)
  • D 686.4 ms\(^{-1}\)
View Answer & Explanation