Question # 1

On Celsius scale, temperature 300 K will be:

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26°C

25°C

24°C

27°C

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

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Heating

Cooling

Freezing

Melting

The number of perpendicular components of a force are

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1

2

3

4

One liter is equal to:

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1 kgcm-3

1000 cm-3

10-6 m3

10-3 m3

A temperature rise in the environment disturbs life called:

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Air pollution

Land pollution

Noice pollution

Thermal pollution

A thimble of circular scale consists of equal division.

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100

10

1000

None of these

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 average speed of cheetah is.

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60 kmh^-1

70 kmh^-1

75 kmh^-1

80 kmh^-1

A car is made on the principles of

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Electronics

Thermodynamics

Electricity

Mechanics

Centripetal force always acts _________ to the motion:

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Opposite

Parallel

Perpendicular

Upward

A material of thermometer should has:

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Visible

High freezing point

Low melting point

All of these

Earth's gravitational force of attraction vanishes at:

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6400 km

Infinity

42300 km

1000 km

The formula of conversion of Celsius into Kelvin is:

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Tk = 273 - C^o

Tk = 273 + C^o

F = 1.8 + 32

All of these

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