Post Utme Physics Past Questions and Answers

Question 366:

The amount of heat required to produce unit temperature rise in a substance is called ____________

A. Latent heat
B. Heat capacity
C. Specific heat capacity
D. Specific latent heat

Question 367:

An ideal gas has a volume 100 cm3 at 1x105 Pa and 27°C What is its volume at 2x105Pa and 60°C?

A. 42.5 cm3
B. 55.5 cm3
C. 50.2 cm3
D. 40.5 cm3

Question 368:

Which of the following thermometer can be used to measure high temperature up to 10000C?

A. Electrical thermomete
B. Pyromete
C. Bimetal thermomete
D. Thermoelectric thermomete

Question 369:

1000 J of heat is applied to a 1.5 kg silver pendant initially at temperature of 150°C Determine it's final temperature [Latent heat=336 Jkg 1, specific heat capacity=233 J/kg. K]

A. 26.4°C
B. 38.4°C
C. 41.5°C
D. 15.5°C

Question 370:

The specific heat capacity of a substance depends on all the following except ____________

A. Mass of the substance
B. Change in temperature
C. Surface area of the substance
D. Energy needed