Question # 1

Specific heat of glass

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780 Jkg^-1K^-1

800 Jkg^-1K^-1

840 Jkg^-1K^-1

880 Jkg^-1K^-1

__________ expands on heating?

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Matter

Plasma

Gas

Solid

Length of a rod is L∘ on temperature T∘. After heating upto temperature T, its length L becomes

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L = L∘ (1 + αΔT)

L = L∘ (1 + ΔT)

L = L∘ (1 - αΔT)

L = L∘ (1 -ΔT)

Heat capacity of 5 kg water is.

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2000 JK^-1

2100 JK^-1

21000 JK^-1

210000 JK^-1

Ice at ............ °C is more effective in cooling.

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0

-1

-2

-3

Which of the following is produced in refrigerators by evaporation of a liquefied gas?

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Heating

Cooling

Freezing

Melting

"Latent" is derived from ............... word.

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Latin

English

Greek

Roman

The range of clinical thermometer is:

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90 ^oC - 106^oC

35^oC - 42^oC

100^oC - 132^oC

24^oC - 35^oC

The boiling point of mercury is:

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-10 ^oC

150^oC

375^oC

457^oC

The temperature if steam is

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0°C

100°C

273°C

-273°C

There are types of thermometer:

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1

2

3

4

Water freezes at:

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0° F

32°F

-273 K

0 K

Expansion in one meter steel is:

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1.0 mm

0.1 mm

1.0 mm

1.3 mm

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