Question # 1

The SI unit of product of pressure and volume is.

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_Watt

Joule

Pascal

Newton

In simple harmonic motion the velocity of a particle is maximum at.

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Extreme position

Mean position

In between extreme and mean position

None of them

During adiabatic process, which factor remains constant.

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Entropy

Pressure

Momentum

Power

the locus of all pint in the same wave of vibration is called.

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Wave front

Diffraction

Interference

Polarization

Two waves of same frequency and moving in the same direction produces.

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Interference

Diffraction

Beats

Stationary waves

Teh overlapping of physics and other fields gave brith to

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Interdisciplinary areas of physics

Areas of Physics

Areas of science

All of these

Before the launch of a rocket the mass of fuel of the rocket is approximately consists of.

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60%

50%

80%

100%

More details of an object can be seen with a microscope by using

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Green light

Red light

Yellow light

Blue light

When one mirror of a Michelson interferometer is moved a distance of 0.5 mm, 2000 fringes and observed, The wavelength of light used is.

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5000 m

50000 A^o

500 cm

2000 A^o

If velocity 'v' of an object is double, then K.E. because.

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Remain same

Sixteen times

Double

Four times

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

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8 Hz

10 Hz

4 Hz

6 Hz

When a body is moving along a circular path, then such a motion is called

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Vibratory motion

Rotatory motion

Linear motion

None of these

Head to tail rule is used for

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Addition of vectors

Subtraction of vectors

Multiplication of vectors

Division of vectors

A force of 20 N acts along x axis, tis component is.

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0 N

10 N

20 N

30 N

When a particle is moving along a circular path its projection along the diameter executes

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Linear motion

Vibratory motion

Rotatory motion

SHM

The speed of light was measured correctly by

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Galileo

Michelson

Newton

Maxwell

A diatomic gas molecules has

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Translational energy only

Rotational energy only

Vibrational energy only

All translational, Rotational and vibrational energy

Errors due to incorrect design of a device are called

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Random Error

Systematic Error

Physical Error

None of these

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