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Saturday, 15 August 2026
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Physics Past Questions and Answers

Topic: Temperature and Its Measurement

Jamb Physics Questions - Temperature and Its Measurement

Question 1:
The heights of the mercury thread in a mercury-in-glass thermometer when in melting ice and then in steam are 3cm and 18cm respectively. At a temperature of 60oC the height would be
  • A 7.5cm
  • B 9cm
  • C 10.8cm
  • D 12cm
  • E 12.6cm
View Answer & Explanation
Question 2:
The ice and steam points of mercury-in-glass thermometer of centigrade scale and of uniform bore correspond respectively to 3cm and 19cm lengths of the mercury thread when the length is 12cm, the temperature is
  • A 32<sup style='font-size: smaller;'>o</sup>C
  • B 48<sup style='font-size: smaller;'>o</sup>C
  • C 56<sup style='font-size: smaller;'>o</sup>C
  • D 65<sup style='font-size: smaller;'>o</sup>C
  • E 75<sup style='font-size: smaller;'>o</sup>C
View Answer & Explanation
Question 3:
The ice and steam points of mercury-in-glass thermometer of centigrade scale and of uniform bore correspond respectively to 3cm and 19cm lengths of the mercury thread when the length is 12cm, the temperature is
  • A 32<sup style='font-size: smaller;'>o</sup>C
  • B 48<sup style='font-size: smaller;'>o</sup>C
  • C 56<sup style='font-size: smaller;'>o</sup>C
  • D 65<sup style='font-size: smaller;'>o</sup>C
  • E 75<sup style='font-size: smaller;'>o</sup>C
View Answer & Explanation
Question 4:
The lower and upper fixed points marked on a mecury-in-glass thermometer are 210mm apart. The end of the mercury column in the tube is 49mm above the lower fixed point in a room. What is the temperature of the room in degrees Celsius?
  • A 55.3<sup style='font-size: smaller;'>o</sup>C
  • B 23.3<sup style='font-size: smaller;'>o</sup>C
  • C 49.0<sup style='font-size: smaller;'>o</sup>C
  • D 16.1<sup style='font-size: smaller;'>o</sup>C
  • E 76.7<sup style='font-size: smaller;'>o</sup>C
View Answer & Explanation
Question 5:
The distance between the fixed points of a centigrade thermometer is 20cm. What is the temperature when the mercury level is 4.5cm above the lower mark?
  • A 22.5<sup style='font-size: smaller;'>o</sup>C
  • B 29.0<sup style='font-size: smaller;'>o</sup>C
  • C 90.0<sup style='font-size: smaller;'>o</sup>C
  • D 100.0<sup style='font-size: smaller;'>o</sup>C
View Answer & Explanation