Temperature and Its Measurement - Jamb Physics Past Questions and Answers

Question 21:

• JAMB 1995

A temperature scale has a lower fixed point of 40mm and a upper fixed point of 200mm. What is the reading on this scale when a thermometer reads 60^oC?

A. 33.3mm
B. 36.0mm
C. 96.0mm
D. 136.0mm

Question 22:

• JAMB 1995

A well-lagged bar of length 100cm has its ends maintained at 100^oC and 40^oC respectively. What is the temperature at a point 60cm from the hotter end?

A. 58^oC
B. 62^oC
C. 64^oC
D. 76^oC

Question 23:

• JAMB 1997

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^oC
B. 80.0^oC
C. 75.0^oC
D. 70.0^oC

Question 24:

• JAMB 1997

A mass of a liquid at 30^oC is mixed with a mass of the same liquid at 70^oC and the temperature of the mixture is 45^oC. 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

Question 25:

• JAMB 1998

A platinum resistance thermometer records 3.0\(\Omega\) at 0^oC and 8.0\(\Omega\) at 100^oC. If it records 6.0\(\Omega\) in a certain environment, The temperature of the medium is

A. 80^oC
B. 60^oC
C. 50^oC
D. 30^oC