Thermal Properties of Matter – MCQ’s
- All the bodies expand ———- on heating:
(a) Variable
(b) Constantly
(c) Uniformly ✓
(d) All of them
- Temperature is the:
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(b) Force of the molecules of body
(c) Degree of hotness or coldness of the body ✓
(d) none of above
- The SI unit of temperature is:
(a) oC
(b) oF
(c) K ✓
(d) oK
- Temperature of 30 oC in Fahrenheit is:
(a) 86 oF ✓
(b) 80 oF
(c) 30 oF
(d) 90 oF
- Human normal body temperature of 37 oC in Fahrenheit is:
(a) 98. 6 oF ✓
(b) 98 oF
(c) 100 oF
(d) None of above
- Boiling point of water in Fahrenheit is:
(a) 100 oF
(b) 273 oF
(c) 212 oF ✓
(d) 373 oF
- Celsius equivalent of 0K is:
(a) -273 oC ✓
(b) -459.4 oC
(c) 0 oC
(d) 100 oC
- Fahrenheit equivalent of 0K is:
(a) -273 oF
(b) -459.4 oF ✓
(c) 0 oF
(d) 100 oF
- Heat is a type of ———– energy:
(a) Kinetic ✓
(b) Potential
(c) Mechanical
(d) None of above
- Linear expansion of a rod occur along ————- dimension (s):
(a) One ✓
(b) Two
(c) Three
(d) All
- The characteristic of unequal expansion of different metals is employed in a device known as:
(a) Thermometer
(b) Burner
(c) Calorimeter
(d) Thermostat ✓
- Linear expansion depends on:
(a) Length of rod
(b) Change in temperature
(c) Nature of material of rod
(d) All of above ✓
- Thermostat works on the principle of:
(a) Unequal expansion of solids ✓
(b) Pascal’s law
(c) Anomalous expansion of water
(d) Vaporization
- Thermostat is used in:
(a) Electric iron
(b) Refrigerator
(c) Fire alarm
(d) All of above ✓
- SI unit of Coefficient of linear & volume expansion is:
(a) m
(b) K
(c) K-1 ✓
(d) oC
- Volume expansion depends on:
(a) Volume of block
(b) Change in temperature
(c) Nature of material of block
(d) All of above ✓
- β = ——-
(a) α
(b) 2α ✓
(c) 3α
(d) 5α
- There are —— type (s) of expansion (s) take place in a liquid filled in a container:
(a) One
(b) Two
(c) Three ✓
(d) Four
- The liquid (s) used in thermometers is (are):
(a) Mercury
(b) Alcohol
(c) Water
(d) Both a & b ✓
- Ice is a (an):
(a) Good conductor
(b) Bad conductor ✓
(c) Perfect Conductor
(d) None
- 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
- Unit of specific heat is:
(a) Jkg-1K
(b) JkgK-1
(c) Jkg-1K-1 ✓
(d) J
- Which of the following has highest specific heat?
(a) Water ✓
(b) Ice
(c) Mercury
(d) Alcohol
- 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 ✓
- 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
- 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
- The device used to measure of the specific heat of an object is:
(a) Thermometer
(b) Burner
(c) Calorimeter ✓
(d) Thermostat
- 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
- 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
- Unit of latent heat is:
(a) Jkg-1K
(b) Jkg
(c) J
(d) Jkg-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
- 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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