Question # 1

The unit of energy is same as that of

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Power

Work

Torque

Density

Work is a

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Scalar quantity

Vector quantity

Basic quantity

None of these

Which one is renewable source of energy.

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Coal

Uranium

Biomass

Natural gas

The SI unit of power is

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Joule

Newton

Watt

Kilowatt

The power needed to lift a mass of 5000 g to height of 1 m in 2 secnd is

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2.45 watt

24.5 watt

245 watt

2.45 watt

If velocity 'v' of an object is double, then K.E. because.

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Remain same

Sixteen times

Double

Four times

The formula for the power is

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P= W/d

P=W/v

P=W/t

P=Wt

When the rocket moves away from the earth, the work against gravity

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Remains constant

Varies directly with distance

Varies inversely with distance

Varies inversely with square of distance

The SI unit of work is

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Newton

Joule

Mol

Calorie

Watt -m2 is the unit of

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Energy

Intensity

Power

Work

A body of mass 1.0 Kg dropped from the top of a tower of highest 50 m, what will be its K.E. 10 m below the top

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400 J

490 J

49 J

98 J

Bio mass is converted into fuel by

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Evaporation

Fermentation

Reflection

Scattering

The K.E. of bullet of mass 500 gm moving at a speed of 200 ms-1

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250 J

125 J

2500 J

10,000 J

Kilo watt hour is the unit of

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Power

Energy

Force

Torque

The work done in gravitational field

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Depend upon the path

Does not depend upon the path

(+)ve

Zero

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Physics ICS Part 1 Chapter 4 Online Test MCQs With Answers

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