Question # 1

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

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 unit of work in base unit is

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Kg m-1 sec-2

Kgm sec-2

Kgm2 sec-1

Kgm-1 sec-1

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

Which one is renewable source of energy.

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Coal

Uranium

Biomass

Natural gas

Biomas is a potential source of

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Renewable energy

Non renewable energy

Botha a and b

Tidal energy

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

The unit of energy is same as that of

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Power

Work

Torque

Density

Which one is a conservative force

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Elastic spring force

Air resistance

Frictional force

Tension in the spring

The dimension of power is

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MLT-1

ML2T-2

ML2T2

ML2T-3

The frictional force is

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Conservative force

Non conservative force

Electric force

Magnetic force

The formula for the power is

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P= W/d

P=W/v

P=W/t

P=Wt

_______ is bio fuel

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Water

Petrol

Ethanol

Oil

The dimensions of work are

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MLT^-1

MLT^-2

ML²T^-2

ML^-1T^-1

Watt -m2 is the unit of

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Energy

Intensity

Power

Work

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 SI unit of work is

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Newton

Joule

Mol

Calorie

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Physics Fsc Part 1 Chapter 4 Online Test MCQs With Answers

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