Question # 1

The mean kinetic energy of gas is at.

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0 ^oC

-273 ^oC

100 K

100 ^oC

The unit of rotational K.E. is

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rAD/SEC

Js

J

Kgm2

The ideal gas law is.

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PV =NVk

P = NkT

PV =nRT

P=nRT

Which is the process in which temperature of the system remains constant.

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Adiabatic process

Isochoric process

Isothermal process

Isobaric process

The horizontal component of velocity of projectile

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Increases

Decreases

Remain same

Decreases and then increases

Standard metal according to Michelson's interferometer is equivalent to

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1553163.5 wave meter

3 x 108meter

15503000 meter

None of these

Pressure of fluid will be low where speed of fluid is.

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Low

Zero

High

Constant

The SI units of flow rate are.

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m2s-1

m3s-2

m3s-1

m2s-2

Bending of light around the edges of an obstacle is called.

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Refraction

Polarization

Interference

Diffraction

The force and torque are analogous to

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Velocity

Mass and weight

Moment of Inertia

Each other

SI unit of work

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Newton

Walt

Pascal

Joule

The moment of inertia is analogue to

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Mass

Weight

Torque

Force

If a body of mass 5 kg is raised vertically through a distance of 1 m, then work done is.

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49 J

4.9 J

490 J

0.49 J

The motion of a body moving along a circular path is called.

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Translational motion

Angular motion

Vibratory motion

Linear motion

Angular frequency is the characteristic of

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Linear motion

Vibratory motion

Circular motion

All of these

If the initial velocity of a projectile becomes doubled, the time of fight will be.

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Same

4 times

Double

3 times

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

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Interference

Diffraction

Beats

Stationary waves

The frequency of 2nd pendulum is

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0.5 Hz

1 Hz

1.5 Hz

2 Hz

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