Question # 1

The dimensions of work are

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MLT^-1

MLT^-2

ML²T^-2

ML^-1T^-1

Bio mass is converted into fuel by

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Evaporation

Fermentation

Reflection

Scattering

Kilo watt hour is the unit of

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Power

Energy

Force

Torque

Hot igneous rocks, usually in molten or partly molten state are found in the depth of

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5 km

10 km

15 km

20 km

The dimensions of work are.

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[MLT-1]

[MLT-2]

[ML2T-2]

[MLT]

3 Joules of work id done is 3 seconds, then power

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6 Watt

1 Watt

3 Watt

2 Watt

Work has dimension lime

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Torque

Momentum

Velocity

Power

Salter's duck was invented by

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Newton

Einstein

Prof Salter

Maxwell

1 KWh =

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3.6 x 10³K

3.6 x 10⁶K

3.6 x 10⁹J

3.6 x 10¹²J

The work done in gravitational field

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Depend upon the path

Does not depend upon the path

(+)ve

Zero

A body of mass 2 kg moving with velocity of 4 ms-1 has K.E. equal to.

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16 J

8 J

32 J

2 J

A layer of rock holding water that allows water to percolate through it with pressure is called.

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Geyeser

Aquifer

Stem vent

Hot spring

Work is negative when angle between F and d is

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45^o

₀^o

90^o

180^o

The value of solar constant.

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1.4 kW m-2

1.0 kW m-2

1.6 kW m-2

2 kw m-2

The frictional force is

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Conservative force

Non conservative force

Electric force

Magnetic force

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