Question # 1

A man of mass 5 kg is falling freely, the fore acting on it will be

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5 N

9.8 N

19.6 N

49 N

The shortest distance between two points is called

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Distance

Amplitude

Displacement

Is a number

The SI unit of work is

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Newton

Joule

Mol

Calorie

Sound wave can not be

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Reflected

Refracted

Diffracted

Polarized

The speed of sound increases with the increase of in

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Pressure

Volume

Temperature

Density

The magnitude of A will be

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Zero

A²

1

A

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

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Translational motion

Angular motion

Vibratory motion

Linear motion

Biomas is a potential source of

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Renewable energy

Non renewable energy

Botha a and b

Tidal energy

the work done in isochoric process is.

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Constant

Variable

Zero

Depend upon condition

Half wavelength corresponds to

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0 ^o

90 ^o

180 ^o

360 ^o

Heat is form of.

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Power

Momentum

Energy

Torque

A stationary waves is established din a string which vibrates in four segments at a frequency of 120 Hz, Its fundamental frequency is.

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15 Hz

30 HZ

60 Hz

480 Hz

The amplitude of a vibrating body at resonance in vacuum is

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Minimum

Maximum

Zero

Infinite

Which is not the essential component of a spectrometer.

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Collimator

Telescope

Turntable

Microscope

Sound waves can not be

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Reflected

Refracted

Polarized

Diffracted

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In case of point source the shape of wave front is

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Circular

Spherical

Elliptical

Square

A ray of light is a line

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Parallel to wave front

Normal to wave front

Anti-parallel to wave

Any one of these

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