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Sunday, 16 August 2026
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Physics Past Questions and Answers

Topic: Length, area and volume

Jamb Physics Questions - Length, area and volume

Question 21:
When the tension in a sonometer wire is doubled, the ratio of the new frequency to the initial frequency is
  • A \(\frac{1}{\sqrt2}\)
  • B \(\frac{1}{2}\)
  • C \(\sqrt2\)
  • D 2
View Answer & Explanation
Question 22:
What is the reading of the vernier scale above
  • A 1.88cm
  • B 1.80cm
  • C 1.28cm
  • D 1.97cm
View Answer & Explanation
Question 23:
The mass of a stone is 15.0g when completely immersed in water and 10.0g when completely immersed in a liquid of relative density 2.0. The mass of the stone in air is
  • A 5.0g
  • B 12.0g
  • C 20.0g
  • D 25.0g
View Answer & Explanation
Question 24:
What is the least possible error in using a rule graduated in centimeters?
  • A 0.1cm
  • B 0.5cm
  • C 1.0cm
  • D 2.0cm
View Answer & Explanation
Question 25:
What is the least possible error in using a rule graduated in centimeters?
  • A 0.1cm
  • B 0.5cm
  • C 1.0cm
  • D 2.0cm
View Answer & Explanation