Question # 1

The unsteady flow of a fluid is called

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Stream line

Turbulent flow

Average flow

Viscous flow

The law of conservation of mass gives us

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Equation of continuity

Stock's law

Bernoulli's equation

Viscosity

SI unit of work

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Newton

Walt

Pascal

Joule

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Unit vector

+ve of a vector

Resultant vector

-ve of a vector

100 radians are equal to.

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57.3^o

75.3^o

573^o

5730^o

According to Hygen's principle, each point on a wave front acts as a source of.

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Secondary wavelet

New wave front

Sound

Primary wavelet

The value of a time period of allow flying satellite is

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1 year

84 minutes

28 hours

1 day

When two waves of same frequency travel in opposite direction, the phenomenon will be

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Diffraction

Stationary waves

Polarization

Interference

Sound waves can not be

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Reflected

Refracted

Polarized

Diffracted

Light waves emitted from a source spread in

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Specific direction

All direction

Upward direction

None of these

The product of rotational inertial 'I' and angular velocity ' w' is equal to.

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Torque

Linear momentum

Angular momentum

Force

During adiabatic process, which factor remains constant.

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Entropy

Pressure

Momentum

Power

The measure of hotness or coldness of a substance is.

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Temperature

Heat

Internal energy

Energy

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

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0 N

10 N

20 N

30 N

X-ray diffraction has been very useful in determining the structure of

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Hemoglobin

Stars

Galaxies

Stones

Interplaner distance can be determined by

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Newton's rings

Bragg's law

Diffraction pattern

Interferometer

when a ball is throng straight up, the acceleration at its highest point is.

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Upward

Down ward

Zero

Horizontal

The relation between the speed and hoop can be written as

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2

4

1/2

1/4

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