Question # 1

A simple pendulum consists of a

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small light bob

small heavy bob

big light bob

big heavy bob

When the particles of the medium vibrate about their mean position, along the direction of the motion of waves, then the waves are called:

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Longitudinal waves

Transverse waves

Water waves

Complex waves

Which type of wave can be set up in solids

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longitudinal waves

transverse waves

both of them

none of them

The principle of superposition states that

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The total displacement due to several waves is the sum of the displacement due to those waves acting individually

Two stationary waves superimpose to give two progressive waves

A diffraction pattern consists of many interference patterns superimposed on one another

Two progressive waves superimpose to give a stationary wave

The waves which propagate out in the space due to oscillations of electric and magnetic fields are called:

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Mechanical waves

Electromagnetic waves

Matter waves

All of them

Smaller the damping, the resonance will be

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more flat

more sharp

both of them

none of them

The distance covered by the wave during one period is called its:

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Wave number

Frequency

Wavelength

Time period

Of the following, the option ______ reminds of longitudinal waves.

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Sound waves

Heat waves

Electromagnetic waves

Light waves

When a mass 'm' is pulled slowly, the spring stretches by an amount x_o, then the work done will be

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W=Kx_o

W=1/2Kx_o

W=1/2Kx²_o

W=4Kx_o

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

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

If the length of a simple pendulum is 0.25 m its time period would be

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1.0 s

2.0 s

3.0 s

4.0 s

Longitudinal waves are also called:

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Congressional waves

Transverse waves

Radio waves

None of them

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

Which one of the following is an example of resonance

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swing

tuning a radio

microwave oven

all of them

The natural frequency of a pendulum which is vibrating freely, depends upon its

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mass

length

material

all of them

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