Question # 1

Speed of sound in copper is

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38000 ms-1

3600 ms-1

3500 ms-1

3400 ms-1

The moment of inertia is analogue to

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Mass

Weight

Torque

Force

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

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Doppler effect

Nodal frequencies

Beat frequencies

Hamonics

Which is the example of vector quantity

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Torque

Speed

Density

Work

Half wavelength corresponds to

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0 ^o

90 ^o

180 ^o

360 ^o

The diastolic pressure of a normal healthy person is.

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120 torr

110 torr

100 torr

75-80 torr

In thermodynamics system internal energy decrease by 100 J and 100 J of work done on the system then heat lost will be.

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Zero

100 J

200 J

-200 J

Fringe spacing is inversely proportional to.

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Wave length

Slit separation

Distance between the slit and screen

Frequency of light

Time taken by light to reach from sun to earth is.

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8 min 20 sec

7 min 20 sec

9 min 20 sec

None of these

The commercial unit of electric energy is

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Kilo watt hour

watt

Watt hour

Kilo Watt

Kg ms-1 can also be written as

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Nm

Ns

Ns-1

Js

The amplitude of a vibrating body at resonance in vacuum is

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Minimum

Maximum

Zero

Infinite

Stars moving away from Earth show a

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Green shift

Blue shift

Red shift

Yellow shift

--------- is area of physics

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Chemical physics

astrophysics

Mechanics

None of these

the height of the geostationary satellite above the equator is.

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35000 km

36000 km

34000 km

33000 km

Watt -m2 is the unit of

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Energy

Intensity

Power

Work

The SI unit of force is.

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Dyne

Joule

Volt

Newton

One foot is equal to

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31.90 cm

30.48 cm

30.84 cm

84.30 cm

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