Question # 1

The expression of Hook's law is

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F=ma

F=kx

F= -kx

-kx=ma

Which of the following medium/media can transmit both transverse and longitudinal waves:

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Solids

Liquids

Gases

All of them

A heavily damped system has a fairly

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sharp resonance curve

flat resonance curve

both of them

none of them

The wave motion set up in any medium depends upon:

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Elasticity

Inertia

Density

All of these

The weight 'mg' of the bob is resolved into

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one component

two components

three components

four components

Time period of simple pendulum is independent of

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length

mass

acceleration due to gravity

none of them

When a mass 'm' is pulled slowly, the spring stretches by an amount x₀,then the average force would be

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F= Kx₀

F=1/2Kx₀

F=2Kx₀

F=4Kx₀

The velocity of sound is greatest in

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Water

Air

Vacuum

Metal

Example of vibratory motion is

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mass suspended from a spring

a bob of simple pendulum

mass attached to a spring placed

all of them

Associated with the motion of a driven harmonic oscillator, there is a very striking phenomenon, know as

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waves

beat

interference

resonance

The vibrations of factory floor caused by the running of heavy machinery is an example of

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free vibration

natural vibrations

forced vibrations

all of them

Through which character we can distinguish the light waves from sound waves

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Interference

Refraction

Polarization

Reflection

The wave form of S.H.M will be

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square wave

sine wave

rectified wave

saw-tooth wave

Smaller the damping, the resonance will be

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more flat

more sharp

both of them

none of them

Fluids can transmit:

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Transverse wave

Compressional wave

Both of them

None of them

When two waves with same frequency and constant phase difference phase difference interfere

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There is a gain of energy

There is a loss of energy

The energy is redistributed and the distribution changes with time

The energy is redistributed and the distribution remains constant with time

When a body moves to and fro motion, this type of motion is called

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translatory motion

circular motion

oscillatory motion

all of them

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