Question # 1

The value of g on moon's surface is 1.6 ms-2. What will be the weight of a 100 kg body on the surface of the moon?

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100 N

160 N

1000 N

1600 N

S.I unit of pressure is :

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Nm^-2

Newton

Joule

Watt

Least count of digital stop watch is.

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0.01 sec

0.1 sec

1 sec

10 sec

__________ expands on heating?

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Matter

Plasma

Gas

Solid

S.I unit of G is:

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Nm^-2 kg²

Nm^-2Kg^-2

Nm²kg^-2

Nm²kg^-3

The weight of body on earth with mass 8 kg is:

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10 N

100 N

80 N

8 N

Pressure is quantity:

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Scalar

Vector

Constnat

Dependent

The value of 'g' on the surface of moon is:

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1.62 ms^-2

10 ms^-2

20 ms^-2

Zero

Radiation are emited by:

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Cold body

Hot body

All bodies

None

The S.I unit of efficiency is :

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J/s

Nm

watt

It has no unit

Mass of earth is Me is :

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Me = 6× 1024 kg

6× 1024 kg

7× 1024 kg

6× 1024 Mg

Dogs sweat through:

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Tongue

Legs

Skin

Glands

All forces are example of contract forces except:

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Air resistance

Tensional

Push force

Gravitational

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