Model Questions for Scientific Assistant (IMD) Exam (Paper-2) PHYSICS - Set 23

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1. As your neighborhood pond is in the process of freezing over, it ___ the surrounding air.

a. cools
b. warms
c. neither cools nor warms
d. both warms and cools

2. Water at 0 degrees C will warm up faster than ice at 0 degrees C, because----

a. water is more liquid
b. ice is more solid
c. ice absorbs heat when it melts
d. ice gives out heat when it melts

3. Fast evaporation occuring at the surface of a liquid and also within the liquid.

a. Evaporation
b. Sublimation
c. Condensation
d. Boiling

4. A solid phase changes to a gas without changing into a liquid on the way.

a. Evaporation
b. Sublimation
c. Condensation
d. Boiling

5. A solid phase changes to a liquid.

a. Condensation
b. Boiling
c. Melting
d. Regelation

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6. A gaseous phase changes to a liquid.

a. Sublimation
b. Condensation
c. Boiling
d. Melting

7. Melting under pressure, followed by refreezing once the pressure is removed.

a. Evaporation
b. Sublimation
c. Condensation
d. Regelation

8. A liquid phase changes to a gaseous phase.

a. Evaporation
b. Sublimation
c. Condensation
d. Boiling

9. The lowest possible temperature that an object can have.

a. Thermodynamics
b. Absolute zero
c. Internal energy
d. First law of thermodynamics

10. The heat added to a system increase in the system’s internal energy + external work done on the environment.

a. Thermodynamics
b. Absolute zero
c. Internal energy
d. First law of thermodynamics

Answers

1. (b) 2. (c) 3. (d) 4. (b) 5. (c) 6. (b) 7. (d) 8. (d) 9. (b) 10. (d)

(EBOOK)  SSC Scientific Assistant (IMD) Exam Papers PDF Download

Study Kit for SSC Scientific Assistant (IMD) EXAM