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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 36:
A well-lagged bar of length 100cm has its ends maintained at 100oC and 40oC respectively. What is the temperature at a point 60cm from the hotter end?
  • A 58<sup style='font-size: smaller;'>o</sup>C
  • B 62<sup style='font-size: smaller;'>o</sup>C
  • C 64<sup style='font-size: smaller;'>o</sup>C
  • D 76<sup style='font-size: smaller;'>o</sup>C
View Answer & Explanation
Question 37:
A liquid of mass 1.0 x 103kg fills a rectangular tank of length 2.5m and width 2.0m. If the tank is 4m high, what is the pressure at the middle of the tank?[g = 10ms-2]
  • A 1.0 x 10<sup style='font-size: smaller;'>4</sup>Nm<sup style='font-size: smaller;'>-2</sup>
  • B 2.0 x 10<sup style='font-size: smaller;'>3</sup>Nm<sup style='font-size: smaller;'>-2</sup>
  • C 1.5 x 10<sup style='font-size: smaller;'>3</sup>Nm<sup style='font-size: smaller;'>-2</sup>
  • D 1.0 x 10<sup style='font-size: smaller;'>3</sup>Nm<sup style='font-size: smaller;'>-2</sup>
View Answer & Explanation
Question 38:
An empty 60 litre petrol tank has a mass of 10kg. Its mass when full of fuel of relative density 0.72 is
  • A 7.2kg
  • B 33.2kg
  • C 43.2kg
  • D 53.2kg
View Answer & Explanation
Question 39:
The length of mercury thread when it is at 0°C, 100°C and at an unknown temperature \(\theta\) is 25mm, 225mm and 175mm respectively. The value of \(\theta\) is
  • A 85.0<sup style='font-size: smaller;'>o</sup>C
  • B 80.0<sup style='font-size: smaller;'>o</sup>C
  • C 75.0<sup style='font-size: smaller;'>o</sup>C
  • D 70.0<sup style='font-size: smaller;'>o</sup>C
View Answer & Explanation
Question 40:
A mass of a liquid at 30oC is mixed with a mass of the same liquid at 70oC and the temperature of the mixture is 45oC. Find the ratio of the mass of the cold liquid to the mass of the other liquid.
  • A 3 : 5
  • B 5 : 3
  • C 3 : 7
  • D 7 : 3
View Answer & Explanation