Model Questions for Scientific Assistant (IMD) Exam (Paper-2) PHYSICS - Set 20

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1. To reduce the odds of your radiator coolant freezing in the winter, let’s say that you add a chemical that changes the specific-heat of the coolant. You want the specific heat to----

a. increase
b. decrease
c. stay the same
d. none of the above

2. You hide your gold ring in your freezer. As the ring drops in temperature, the hole inside the ring becomes----

a. larger
b. smaller
c. stays the same
d. none of the above

3. The boiling point of water is 100 degrees C. What would this be on a Kelvin scale?

a. 100 K
b. 3 K
c. 273 K
d. 373 K

4. You fill a glass bottle with water and put it in your freezer. The next morning you find that the bottle has shattered. This is because----

a. the bottle expanded
b. the bottle contracted
c. the water expanded when it froze in the bottle
d. the water contracted when it froze in the bottle

5. Electromagnitic waves transfer heat energy from one object to another.

a. Conduction
b. Convection
c. Radiation
d. Newton’s law of cooling

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6. Molecular or electron collisions transfer heat energy from one object to another.

a. Conduction
b. Convection
c. Radiation
d. Newton’s law of cooling

7. A hot object experiences heat loss at a rate that is proportional to the difference in temperature between the object and its sourroundings.

a. Conduction
b. Convection
c. Radiation
d. Newton’s law of cooling

8. Movement of currents of liquid or gas transfer heat energy from one location to another.

a. Conduction
b. Convection
c. Radiation
d. Newton’s law of cooling

9. The amount of energy per unit time received from the sun.

a. Conduction
b. Convection
c. Radiation
d. Solar power

10. The amount of heat energy received from the sun at the top of the Earth’s atmosphere, per unit area.

a. Newton’s law of cooling
b. Greenhouse effect
c. Solar constant
d. Solar power

Answer

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

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

Study Kit for SSC Scientific Assistant (IMD) EXAM