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Monday, 02 November 2026
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Physics Past Questions and Answers

Jamb 2009 Physics Questions

Question 11:
The thermometer whose reading is indicated by a change in colour of its thermometric property is the?
  • A Bi-metalic strip thermometer
  • B Thermocouple
  • C Platinium resistance thermometer
  • D Optical pyrometer
View Answer & Explanation
Question 12:
At 4°c, the volume of a fixed mass of water is?
  • A Constant
  • B Minimum
  • C Maximum
  • D Zero
View Answer & Explanation
Question 13:
An electric heater rated 220v, 1000 w is immersed into a bucket full of water, calculate the mass of water if the temperature changes from 30°c to 100°c and the current flows for 300seconds.
[specific heat capacity of water = 4200 jkg-1 K-1]
  • A 4.28 kg
  • B 42.86 kg
  • C 1.02 kg
  • D 7.14 kg
View Answer & Explanation
Question 14:
If the pressure of the vapour on top of an enclosed liquid is equal to the atmospheric pressure, what will be the temperature of the liquid enclosed?
  • A Room temperature
  • B Boiling point
  • C Freezing point
  • D Standard temperature
View Answer & Explanation
Question 15:
A heating coil rated 1000 W is used to boil off completely 2 kg of boiling water. the time required to boil of the water is_______
[Special latent heat of Vaporization of water = 2.3 x 106 Jkg-1]
  • A 1.15 x 10<sup style='font-size: smaller;'>4</sup>s
  • B 1.15 x 10<sup style='font-size: smaller;'>3</sup>s
  • C 4.6 x 10<sup style='font-size: smaller;'>4</sup>s
  • D 4.6 x 10<sup style='font-size: smaller;'>3</sup>s
View Answer & Explanation