Question # 1

The SI unit of intensity of light is

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Joule

Mole

Candila

Kilomole

If the object is at 5 cm from the lens of simple microscope than its magnifying power will be.

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5

10

15

25

The relation between the speed and hoop can be written as

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2

4

1/2

1/4

100 radians are equal to.

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57.3^o

75.3^o

573^o

5730^o

For maximum range the angle of projection must be

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30^o

45^o

60^o

90^o

A mass of 1 kg is freely falling. The force of gravity is.

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1 N

9.8 N

0.5 N

Zero

In sonar we use

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Sound waves

Ultrasound waves

Microwaves

Radio waves

For an ideal gas, the internal energy is directly proportional to.

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Pressure

volume

Mass

Temperature

Viscosity is represented by Greek letter

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

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8 Hz

10 Hz

4 Hz

6 Hz

A force applied on a body produces acceleration in

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Opposite direction

perpendicular direction

Its own direction

In any direction

Not change in entropy of a system after one complete Carnot cycle is.

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Positive

Negative

Zero

None of these

The force and torque are analogous to

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Velocity

Mass and weight

Moment of Inertia

Each other

When a body is vibrating its displacement from mean position

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Remains constant

Changes with time

Become(-)ve

None of these

The speed of light was measured correctly by

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Galileo

Michelson

Newton

Maxwell

A body starting from rest attains angular acceleration of 5 rad s-2 in 2 second final angular velocity will be.

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10 rad s-1

7 rad s-1

3 rad s-1

2 rad s-1

Height of geo stationary orbit of the satellite above the earth is.

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300 km

250 km

400 km

None of these

Efficiency of steam locomotive is.

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8%

10%

9%

7%

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