Question # 1

If f = 40 N is applied and bus is move 1m than work is :

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40 J

60 J

80 J

No work

Absolute zero is equal to

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0 K

273

-273 K

373 K

The speed of satellites in GPS is:

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8.73 kms^-1

3.87 ms^-1

32 ms^-1

3.87 kms^-1

In gases, heat in mainly transferred by:

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Molecular collision

Conduction

Convection

Radiaiton

Fourth state of matter is:

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Solid

Plasma

Liquid

Gas

____________ is bad conductors of heat:

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Copper

Water

Wire

Nil

Gravitational force is a

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Contacted force

Non-contact force

Electrical force

Charging force

In Einstein's mass-energy equation c means speed of light. Its value is:

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3 x 10^-8 ms^-1

3 x 10⁸ms^-1

3 x 10⁹ms^-1

3 x 10¹⁸ms^-1

It is easy to turn a steering wheel by applying a:

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Torque

Force

Couple

Momentum

Water boils at:

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0°F

0°C

100°C

100 K

A Leslie cube is use to identify :

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Radiation

Conduction

Convection

Both A and B

Heat reflected form the body depends upon :

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Colour and form

Form and speed

Color and speed

None

Einstein's mass-energy equation relation is:

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E =1/2 mc²

E =mc²

E =m²c

E = 2 mc²

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