Question # 1

At constant temperature and pressure, if volume of given mass of a gas is doubled then density is.

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Doubled

1/4 original

1/2 of original

Unchanged

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 internal energy of system does not depend on

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Temperature

Pressure

Path

Final and initial state

Close orbiting satellites orbit the earth at a height of about

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400 km

4000 km

400 m

400 cm

In branch of physics which deals with the nuclear particls such as neurtons, protons adn nuclear structur is called

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Nuclear Physics

Solid state Physics

Particle Physics

Plasma physics

Which of the following is not directed along the fixed axis of rotation.

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Angular displacement

Angular momentum

Centripetal acceleration

Angular acceleration

An elevator is moving up with an acceleration equal to 'g' An apparent weight of the body in an elevator is.

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Zero

Equal to real weight

2 mg

3 mg

the louder the sound, the greater will be its.

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Speed

Frequency

Amplitude

Wave length

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

Fringe spacing is inversely proportional to.

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Wave length

Slit separation

Distance between the slit and screen

Frequency of light

What would encourage trade between two countries

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Different tax system

Frontier checks

National currencies

reduced tariffs

Beats can be heard when difference of frequency is not more than.

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8 Hz

10 Hz

4 Hz

6 Hz

The SI unit of intensity of light is

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Joule

Mole

Candila

Kilomole

When the amplitude of a wave is increase to doubled is energy.

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Remain the same

Increases 4 times

Increases by two times

Decreases by half

The ballistic missiles are used only for

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Long range

Short range

Medium range

Constant range

The produce oscillation, body is pulled away from its

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Mean position

Extreme position

Both a and b

None of these

The tides raise in the sea roughly

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Once a day

Twice a day

Three a day

Four time a day

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