1. Which of the following is warming process ?
A) Evaporation B) Condensation C) Boiling D) All the above
Ans: B (Condensation)
2. Water at normal atmospheric pressure boils at …………….
A) 00C B) 1000C C) 2500C D) 500C
Ans: B(1000C)
3. Three bodies A, B and C are in thermal equilibrium. The temperature of B is 450C. Then the temperature of ‘C’ is …………………………………..
A) 450C B) 500C C) 400C D) any temperature
Ans: A (450C)
4. When ice melts, its temperature ……..
A) remains constantB) increase C) decreases D) Can not say
Ans: A ( remains constant)
5. The temperature of a steel rod is 330K. Its temperature in 0C
Ans: 570C
6. The formula for Specific heat S =
Ans: Q / m T
7. Equal amount of spirit is taken in a pan , cup, saucer and a watch glass. In which of them,the
evaporation takes place slowly.
Ans: Cup
