Question # 1

Light from the sun contain thermal radiation of:

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Long wavelength

Short wavelength

Ultra violet rays

Visible light

Weight is measured by:

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Spring balnce

Measuring cylinder

Physical balnce

None of these

Which pair of physical quantities has same SI unit?

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energy , power

power , work

energy , work

work , momentum

Coloured surface is a

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Best emitter

Good emitter

Bad emitter

Wrost emitter

Prefix naming as Giga has a symbol.

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M

G

m

g

One liter is equal to:

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1 kgcm-3

1000 cm-3

10-6 m3

10-3 m3

The energy released int he form of nuclear radiations in addition to heat and light is called:

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Mechanical energy

Gravitational energy

Chemical energy

Nuclear energy

Which types of friction is minimum?

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Sliding

Limiting

Rolling

None

In which hot liquid can remains hot:

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Glass

Lead

Thermos

Hot pot

Kinetic energy is possessed by a body by:

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Virtue of motion

Height

Rest

Nil

The study of motion without reference to mass and force.

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Mechanics

Dynamics

Kinematics

None of these

The amount of heat absorb by body depends on the :

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Colour of the surface

Nature of surface

Texture of surface

Both A and B

The value of g at a height one Earth's radius above the surface of the

Earth is:

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2 g

1/2 g

1/3 g1

1/4 g

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