Search SchoolNGR

Friday, 22 May 2026
Register . Login

Physics Past Questions and Answers

Jamb 1997 Physics Questions

Question 16:
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 17:
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 18:
Equal masses of copper and rubber are raised to the same temperature. After sometimes, the copper was observed to be at a lower temperature because
  • A The specific heat capacity of copper is lower than that of rubber
  • B Copper expands more than rubber
  • C The specific heat capacity of rubber is lower than that of copper
  • D Rubber expands more than copper
View Answer & Explanation
Question 19:
Before starting a journey, the tyre pressure of a car was 3 x 105Nm-2 at 27oC. At the end of the journey, the pressure rose to 4 x 105Nm-2. Calculate the temperature of the tyre after the journey, assuming the volume is constant
  • A 400<sup style='font-size: smaller;'>o</sup>C
  • B 300<sup style='font-size: smaller;'>o</sup>C
  • C 273<sup style='font-size: smaller;'>o</sup>C
  • D 127<sup style='font-size: smaller;'>o</sup>C
View Answer & Explanation
Question 20:
What happens when a, certain quantity of pure ice is completely changed to water at 0oC?
  • A Latent heat is absorbed, the mass remains constant, and the volume decreases
  • B Latent heat is given out, the mass remains constant and the volume decreases
  • C Latent heat is given out, the mass increases and the volume remains constant
  • D Latent heat is absorbed, the mass decreases and the volume increases
View Answer & Explanation