Physics Test 21

Total Questions: 23

1 - Degree is hotness or coldness of the body is called

A ) Heat
B ) Thermal conductivity
C ) Heat capacity
D ) Temperature ✅

2 - Absolute zero is equal to

A ) 100°C
B ) 212°F
C ) 273°F
D ) -273°C ✅

3 - On celsius scale, the temperature 300K will be

A ) 24°C
B ) 25°C
C ) 26°C
D ) 27°C ✅

4 - Which one of the following is the smallest quantity?

A ) Ok
B ) -273° K
C ) 32°F
D ) 0°F

5 - The hotness or coldness of a body is called

A ) Pressure
B ) Heat
C ) Temperature ✅
D ) Light

6 - The crocus flower of open at ____temperature.

A ) 20°C
B ) 23°C
C ) 22°C
D ) 21°C

7 - The heat flows from body to cold body with both the temp. remain the same is called

A ) Equilibrium
B ) Thermal equilibrium ✅
C ) Stable equilibrium
D ) Unstable equilibrium

8 - The sum of K.E and P.E of atoms and molecules of

A ) Energy
B ) External energy
C ) Internal energy ✅
D ) Heat energy

9 - Internal energy of the body depends on the

A ) Mass of the body
B ) K.E of the body
C ) P.E of the body
D ) All of these

10 - The instrument which is used to measure the temperature is called

A ) Barometer
B ) Thermometer ✅
C ) Galvanometer
D ) Voltmeter

12 - Which property is used in strip thermometer.

A ) Expansion
B ) Color change ✅
C ) Electric resistance
D ) None of these

13 - Liquids___ on heating.

A ) Expands ✅
B ) Contracts
C ) Remain the same
D ) Both a and b

14 - Freezing point of mercurry is

A ) 39°C
B ) -39°C ✅
C ) 357°C
D ) -357°C

15 - Boiling point of mercury is

A ) 39°C
B ) -39°C
C ) 357°C ✅
D ) -357°C

16 - Mercury liquid in glass thermometer is

A ) 10°C-150°C
B ) -10°C-150°C ✅
C ) -20°C-30°C
D ) -20°C-150°C

18 - Freezing point of ice on celsius scale is

A ) 0°C ✅
B ) 100°C
C ) 33°C
D ) 212°C

19 - Boiling point of water on celsius scale is

A ) 0°C
B ) 100°C ✅
C ) 32°C
D ) 212°C

20 - Freezing point of ice on fahrenheit scale is

A ) 32°C ✅
B ) 212°C
C ) 0°C
D ) 100°C

21 - Boiling point of water on fahrenheit scale is

A ) 32°C
B ) 212°C ✅
C ) 0°C
D ) 100°C

22 - Boiling point of water on kelvin scale is

A ) 273 K
B ) 373 K ✅
C ) 0 K
D ) 212 K

23 - K.E of a atom or molecule depends upon the ____

A ) Pressure
B ) Temperature ✅
C ) Nature
D ) None