Question # 1

The relation between linear and angular velocity is

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Oil film floating on water exhibits colours due to

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Interference

Diffraction

Polarization

All of these

The profile of periodic waves generated by a source executing S.H.M is represented by a.

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Circle

Sine curve

Tangent curve

Cosine curve

In case the work done in zero.

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Constant pressure

Constant volume

Constant temperature

Constant mass

Angle between ray of light and wave front is

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0 ^o

60 ^o

90 ^o

120 ^o

The work done by centripetal force is

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(-)ve

(+)ve

Maximum

Zero

A body of mass 2 kg moving with velocity of 4 ms-1 has K.E. equal to.

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16 J

8 J

32 J

2 J

Usually the x-axis is taken as

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Vertical axis

Horizontal axis

+ve axis

-ve axis

In stationary waves the points which always remain at rest are.

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Nodes

Antinodes

Crest

Trough

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

Cloud formation in atmosphere is an example of.

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Isothermal process

Isochoric process

Adiabatic process

Isobaric process

The temperature of human body on Kelvin scale is

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210K

310K

410K

510K

The diver spins faster when moment of inertia becomes.

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smaller

Greater

Constant

Zero

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

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One half

Two times

Three times

Four times

Multimode step index fiber is useful for.

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Long distance

Sort distance

Very long distance

Infinite distance

Temperature of a gas is increased from 27 oC to 127 oC. The ratio of its mean K.E. will be

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3/4

9/16

4/3

10/9

The mass of a body is quantitative measure of its

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Motion

Inertia

Weight

All of these

Newton's laws of motion were published in

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1587

1687

1787

1887

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11th Class Part 1 Physics Test Online MCQs With Answers

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