Definition of specific heat capacity of solids and liquids - Jamb Physics Past Questions and Answers

Question 1:

• JAMB 2019

If the time of flight is 96seconds, calculate the horizontal range through the point of projection.

A. 84400m
B. 69000m
C. 61440m
D. 24000m

Question 2:

• JAMB 1985

A good calorimeter should be of

A. Low specific heat capacity and low heat conductivity
B. Low specific heat capacity and high heat conductivity
C. High specific heat capacity and low heat conductivity
D. High specific heat capacity and low heat conductivity
E. Dull surface and low heat conductivity

Question 3:

• JAMB 1986

When two objects P and Q are supplied with the same quantity of heat, the temperature change in P is observed to be twice that of Q. The ratio of the specific heat capacity of P to Q is

A. 1 : 4
B. 4 : 1
C. 1 : 1
D. 2 : 1

Question 4:

• JAMB 1987

22,000J of heat is required to raise the temperature of 1.5kg of paraffin from 20^oC to 30^oC. Calculate the specific heat capacity of paraffin.

A. 1466Jkg^-1oC^-1
B. 2933Jkg^-1oC^-1
C. 4400Jkg^-1oC^-1
D. 5866Jkg^-1oC^-1

Question 5:

• JAMB 1991

What is the difference in the amount of heat given out by 4kg of steam and 4kg of water when both are cooled from 100^oC to 80^oC? [the specific latent heat of steam is 2,260,000Jkg^-1, specific heat capacity of water is 4200Jkg^-1K^-1]

A. 4200J
B. 2,260,OOOJ
C. 9,040,000J
D. 9,380,000J