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Physics – After SEE – LS

HEAT

Dear ! This is HEAT Quiz and it contains 20 questions.

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1. A equation is given Q=mxt where ‘Q’ is heat, ‘m’ is mass and ‘t’ is temperature and ‘χ’ is

Thermal capacity

Heat capacity

Specific heat capacity

Specific capacity

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2. -40⁰C is

40⁰C

40⁰F

40 K

20 F

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3. The unit of specific heat capacity is

Joule

J/kg⁰C

J . kg⁰C

J/kg

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4. The unit of heat energy is

Joule

Newton

Calorie

Both joule & calorie

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5. Freezing point of mercury thermometer is

78⁰C

-115⁰C

357⁰C

-39⁰C

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6. Temperature of maximum density of H₂O is

-39.2⁰F

39.2⁰F

-40⁰F

98.6⁰F

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7. Specific heat capacity of H₂O is

138 J/kg⁰C

8000 J/kg⁰C

2100 J/kg⁰C

4200 J/kg⁰C

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8. Which of the following relation is correct ?

t=Qsm

Q=mst

s=Qmt

s=mQt

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9. Specific heat capacity of Hg is

138

2100

4200

13800

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10. Maximum density of H₂O is at

4⁰C

0⁰C

100⁰C

96.8⁰C

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11. Heat is measured by

Calorimeter

Thermometer

Barometer

Pyrometer

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12. S.I unit of temperature is

⁰C

⁰F

⁰R

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13. Boiling point of alcohol thermometer is

-39⁰C

78⁰C

37⁰C

357⁰C

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14. 8 calorie is equal to

5.22 J

33.44 J

66.22 J

22.44 J

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15. At what temperature centigrade be double of fahrenheit?

-15.3

-12.3

12.3

-40

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16. The amount of heat depends upon

No. of molecules of a body

Mass of body

Average kinetic energy of a body

All of these

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17. At what temperature centigrade and fahrenheit be same ?

-20

-40

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18. C/5 is equivalent to

K-273

F-32/9

F-32

Both K-273 & F-32/9

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19. If temperature increases up to 4⁰c then volume of water

Increases

decreases

Remains same

None of these

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20. Temperature is

Degree of hotness or coldness

Measured by thermometer

⁰C or K or ⁰F

All

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