Question # 1

One radian is equal to.

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75.3^o

57.3^o

35.7^o

73.3^o

A system does 600 J of work and at the same time has its internal energy increased by 320 J. How much heat has been supplied.

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28o J

920 J

600 J

200 J

First law of thermodynamics can be defined by the equation

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Speed of sound in vacuum is

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280 ms-1

332 ms-1

333 ms-1

Zero ms-1

Entropy of measure of.

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Internal energy of system

Order of system

Disorder of system

Potential energy of system

Unit of acceleration is

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ms-1

ms

ms-2

m2s

When average velocity becomes equal to instantaneous than body is called moving with.

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Instantaneous acceleration

Constant acceleration

Constant velocity

Variable velocity

Boltzman constant 'k' has same unit as.

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Temperature

Energy

Entropy

Pressure

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

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Hemoglobin

Stars

Galaxies

Stones

When the amplitude of a wave is increase to doubled is energy.

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Remain the same

Increases 4 times

Increases by two times

Decreases by half

The unit of co efficient of viscosity in S.I system

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Kg -1 ms-1

Kg m-1 s-1

kg -1 m-1

Kg ms-1

The diameter of a lens is called

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Focal length

Aperture

Principle axis

Centre

Artificial gravity can be created in the space ship by

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Revolving around the earth

Spinning around its own axis

Increasing its velocity

Decreasing it svelocity

The direction of vector in space is specified by

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1- angle

2- angle

3- angle

4 - angle

When the amplitude of a wave become double, its energy becomes

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One half

Two times

Three times

Four times

The diastolic pressure of a normal healthy person is.

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120 torr

110 torr

100 torr

75-80 torr

Which one is a conservative force

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Elastic spring force

Air resistance

Frictional force

Tension in the spring

In Michelson's experiment the relation used to find the speed of light is

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16 fc

1/16 fd

16 fd

16/fd

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