Question # 1

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 pitch of sound deepens upon

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Intensity of sound

Loudness of sound

Wavelength of sound

Frequency of sound

Kg ms-1 can also be written as

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Nm

Ns

Ns-1

Js

The unit of energy is same as that of

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Power

Work

Torque

Density

Example of thin film is.

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Soap burble

convex lens

Concave lens

Glass plate

A finite volume of gas consists of

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Small no. of molecules

Large no. of molecule

Average no. of molecule

None of these

In the absence of external force, the change in momentum is.

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Zero

Constant

Decreasing

Increasing

The molecules of an ideal gas exert

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Force on each other

No force on each other

Large force on each other

Pressure on each other

If a stretched string 4 m long and it has 4 loops of stationary waves, then the wave length is.

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1m

2 m

3 m

4 m

A force applied on a body produces acceleration in

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Opposite direction

perpendicular direction

Its own direction

In any direction

Young in 1801 performed experiment for the first time about

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Interference

Diffraction

Polarization

Particle nature of light

The sum of two or more vectors will be a single vector called

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Component vector

Position vector

-ve vector

Resultant vector

The velocity of a free falling body just before Hattin the ground is 9.8 ms-1, the height through which is fall be

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98 m

19.6 m

4.9 m

9.8 m

the acceleration along x -axis direction in case of projectile is.

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Zero

Equal to gravity

Maximum

Constant

The work done will be maximum when angle between F and d.

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180^o

0^o

90^o

60^o

The basics quantity among the following is

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Mass

Torque

Force

Velocity

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

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0 N

10 N

20 N

30 N

Reapters are placed in new system at distance of.

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30 km

50 km

80 km

100 km

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