Determination of specific heat capacity substances - 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 1978

The amount of heat required to raise the temperature of a body is

A. Thermal energy
B. Thermal conduction
C. Heat loss
D. Specific heat capacity
E. Thermal capacity

Question 3:

• JAMB 1985

Two liquids, P at a temperature of 20^oC and Q at a temperature of 80^oC have specific heat capacities of 1.0Jkg^-1oC^-1 and 1.5J kg^-1oC^-1respectively. if equal masses of P and Q are mixed in a lagged calorimeter, then the equilibrium temperature is

A. 44^oC
B. 50^oC
C. 56^oC
D. 60^oC
E. 70^oC

Question 4:

• JAMB 1991

How long does it take a 750W heater to raise the temperature of 1kg of water from 20^oC to 50^oC [specific heat capacity of water = 4200Jkg^-1K^-1]

A. 84s
B. 112s
C. 168s
D. 280s

Question 5:

• JAMB 1992

How much heat is absorbed when a block of copper of mass 0.05kg and specific heat capacity 390Jkg^-1K^-1 is heated from 20^oC to 70^oC?

A. 39 . 98 x 10^-1J
B. 9.75 x 10²J
C. 3.98 x 10³J
D. 9.75 x 10³J