Question # 1

Symbolically solid angle is represented as

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Sr

rad

0

cd

The action and reaction never act on

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Same body

Two bodies

many bodies

All of these

Einstein's theory gives us the physical picture of how the

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Body moves

Gravity works

Moment of inertia produced

Weightlessness creates

The motion and rest are

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Absolute

Relative

Mutual

All of these

A 60 kg man in an elevator is moving upward with an acceleration of 9.8 ms-2. The apparent weight of the man.

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Increase

Decreases

Remain constant

Becomes zero

Total change in momentum of an isolated system is

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Always (+) ve

Always (-) ve

Has maximum value

Zero

The produce oscillation, body is pulled away from its

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Mean position

Extreme position

Both a and b

None of these

If an object lies at focus point F in front of a converd lens, its image is formed at.

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2F

F

3F

Infinity

Almost all the raw energy is librated from

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Heat

Earth

Light

All of these

3 Joules of work id done is 3 seconds, then power

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6 Watt

1 Watt

3 Watt

2 Watt

The potential energy to the molecules of an ideal gas is considered to be.

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Maximum

Zero

1/2 kx²

1/2 kx

A set of frequencies which are multiples of the fundamental frequency are called.

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Doppler effect

Nodal frequencies

Beat frequencies

Hamonics

For 0.0036 no. of significnat digits

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1

3

2

4

The SI units of solid angle is

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Streadian

Radian

Degree

None of these

The energy processes, we use are

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Efficient

Not efficient

Reversible

None of these

When the car moves with an increasing acceleration then its velocity time graph is always

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Constant

Variable

A straight line

A curve

A communication satellite is used ot reflect the signal of.

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Microwaves

Radio waves

y rays

x -rays

The resultant of two vectors having magnitude 10 N and 8 N Can not be

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2 N

9 N

18 N

20 N

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