Question # 1

Salter's duck was invented by

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Newton

Einstein

Prof Salter

Maxwell

The work done will be maximum when angle between F and d.

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180^o

0^o

90^o

60^o

Identity the non conservative force among the following.

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Frictional force

Electrical force

Gravitational force

Elastic restoring force

By increasing the amount of stretch in spring the force exerted will

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Increase

One watt

One erg

One joule

The formula for the power is

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P= W/d

P=W/v

P=W/t

P=Wt

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

1 KWh =

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3.6 x 10³K

3.6 x 10⁶K

3.6 x 10⁹J

3.6 x 10¹²J

The dimension of power is

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MLT-1

ML2T-2

ML2T2

ML2T-3

Watt -m2 is the unit of

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Energy

Intensity

Power

Work

The tides raise in the sea roughly

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Once a day

Twice a day

Three a day

Four time a day

The commercial unit of electric energy is

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Kilo watt hour

watt

Watt hour

Kilo Watt

The SI unit of work is

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Newton

Joule

Mol

Calorie

Work is negative when angle between F and d is

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45^o

₀^o

90^o

180^o

The SI unit of power is

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Joule

Newton

Watt

Kilowatt

Original source of energy for biomass is

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Earth

Star

Moon

Sun

Work is a

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Scalar quantity

Vector quantity

Basic quantity

None of these

The frictional force is

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Conservative force

Non conservative force

Electric force

Magnetic force

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Physics Fsc Part 1 Chapter 4 Online Test MCQs With Answers

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