MCQ’s
Chapter 8 – Thermal Properties of Matter

## Thermal Properties of Matter – MCQ’s

1. All the bodies expand ———- on heating:

(a) Variable

(b) Constantly

(c) Uniformly  ✓

(d) All of them

1. Temperature is the:

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(a) Mass contained by the body

(b) Force of the molecules of body

(c) Degree of hotness or coldness of the body        ✓

(d) none of above

1. The SI unit of temperature is:

(a) oC

(b) oF

(c) K    ✓

(d) oK

1. Temperature of 30 oC in Fahrenheit is:

(a) 86 oF     ✓

(b) 80 oF

(c) 30 oF

(d) 90 oF

1. Human normal body temperature of 37 oC in Fahrenheit is:

(a) 98. 6 oF     ✓

(b) 98 oF

(c) 100 oF

(d) None of above

1. Boiling point of water in Fahrenheit is:

(a) 100 oF

(b) 273 oF

(c) 212 oF    ✓

(d) 373 oF

1. Celsius equivalent of 0K is:

(a) -273 oC     ✓

(b) -459.4 oC

(c) 0 oC

(d) 100 oC

1. Fahrenheit equivalent of 0K is:

(a) -273 oF

(b) -459.4 oF   ✓

(c) 0 oF

(d) 100 oF

1. Heat is a type of ———– energy:

(a) Kinetic      ✓

(b) Potential

(c) Mechanical

(d) None of above

1. Linear expansion of a rod occur along ————- dimension (s):

(a) One    ✓

(b) Two

(c) Three

(d) All

1. The characteristic of unequal expansion of different metals is employed in a device known as:

(a) Thermometer

(b) Burner

(c) Calorimeter

(d) Thermostat  ✓

1. Linear expansion depends on:

(a) Length of rod

(b) Change in temperature

(c) Nature of material of rod

(d) All of above  ✓

1. Thermostat works on the principle of:

(a) Unequal expansion of solids      ✓

(b) Pascal’s law

(c) Anomalous expansion of water

(d) Vaporization

1. Thermostat is used in:

(a) Electric iron

(b) Refrigerator

(c) Fire alarm

(d) All of above  ✓

1. SI unit of Coefficient of linear & volume expansion is:

(a) m

(b) K

(c) K-1       ✓

(d) oC

1. Volume expansion depends on:

(a) Volume of block

(b) Change in temperature

(c) Nature of material of block

(d) All of above  ✓

1. β = ——-

(a) α

(b) 2α   ✓

(c)

(d)

1. There are —— type (s) of expansion (s) take place in a liquid filled in a container:

(a) One

(b) Two

(c) Three         ✓

(d) Four

1. The liquid (s) used in thermometers is (are):

(a) Mercury

(b) Alcohol

(c) Water

(d) Both a & b  ✓

1. Ice is a (an):

(a) Good conductor

(c) Perfect Conductor

(d) None

1. The quantity of heat that causes 1K change in temperature in a substance of mass 1 Kg is called:

(a) Specific heat   ✓

(b) Latent heat

(c) Heat of exchange

(d) None of above

1. Unit of specific heat is:

(a) Jkg-1K

(b) JkgK-1

(c) Jkg-1K-1      ✓

(d) J

1. Which of the following has highest specific heat?

(a) Water    ✓

(b) Ice

(c) Mercury

(d) Alcohol

1. Specific heat of water is:   (GRW 2013, 2014)

(a) 2100 Jkg-1K-1

(b) 2500 Jkg-1K-1

(c) 3200 Jkg-1K-1

(d) 4200 Jkg-1K-1  ✓

1. Climate of regions near sea shore remains moderate due to:

(a) Greater specific heat of water  ✓

(b) Less specific heat of water

(c) Low freezing point of water

(d) High boiling point of water

1. Cause of land and sea breeze is:

(a) Greater specific heat of water  ✓

(b) Less specific heat of water

(c) Low freezing point of water

(d) High boiling point of water

1. The device used to measure of the specific heat of an object is:

(a) Thermometer

(b) Burner

(c) Calorimeter  ✓

(d) Thermostat

1. Quantity of heat that changes one kilogram of a of solid into liquid is called:

(a) Specific heat

(b) Latent heat of fusion  ✓

(c) Latent heat of vaporization

(d) All of above

1. Quantity of heat that changes one kilogram of a of liquid into gas is called:

(a) Specific heat

(b) Latent heat of fusion

(c) Latent heat of vaporization  ✓

(d) All of above

1. Unit of latent heat is:

(a) Jkg-1K

(b) Jkg

(c) J

(d) Jkg-1  ✓

1. Latent heat of fusion of ice is:

(a) 2,260,000 Jkg-1

(b) 336,000 Jkg-1  ✓

(c) 3,260,000 Jkg-1

(d) None of above

1. Latent heat of vaporization of water is:

(a) 2,260,000 Jkg-1  ✓

(b) 336,000 Jkg-1

(c) 3,260,000 Jkg-1

(d) None of above

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