Temperature and Its Measurement - Jamb Physics Past Questions and Answers

Question 51:

• JAMB 2018

Temperature is the property of a body which is proportional to the ____.

A. Total kinetic energy of its molecules
B. Average kinetic energy of its molecules
C. Average speed of its molecules
D. Maximum speed of its molecules

Question 52:

• JAMB 2018

Water of mass 150g at 60\(^o\)c is added to 300g of water at 20\(^o\)c and the mixture is well stirred. Calculate the temperature of the mixture.(neglect heat losses to the surroundings)

A. 33\(^o\)c
B. 40\(^o\)c
C. 25\(^o\)c
D. 10\(^o\)c

Question 53:

• JAMB 2019

The lower fixed part of a faulty thermometer reads 2°C while the upper fixed point is 100°C.
What is the true temperature when the thermometer reads 51°C?

A. 52°C
B. 50°C
C. 49°C
D. 46°C

Question 54:

• JAMB 2020

The lower and upper fixed points marked on a Mercury-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\(^o\)C
B. 23.3\(^o\)C
C. 49.0\(^o\)C
D. 16.43\(^o\)C

Question 55:

• JAMB 2021

The temperature gradient across a copper rod of thickness 0.02m, maintained at two temperature junctions of 20º and 80ºC respectively is?

A. 3.0 x 10\(^{2}\)km\(^{-1}\)
B. 3.0 x 10\(^{3}\)km\(^{-1}\)
C. 5.0 x 10\(^{3}\)km\(^{-1}\)
D. 3.0 x 10\(^{4}\)km\(^{-1}\)