Question # 1

When temperature increase, the frequency of a tuning fork

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Increases

Decreases

Remains same

Increase or decreases depending on the material

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

Wave disturbances may also come in a concentrated bundle, like shock wave from an aeroplane flying at

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subsonic speed

sonic speed

super sonic speed

any one of them

The damping depends upon the

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amplitude

sharpness

both of them

none of them

The velocity of sound in air depends upon

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Density and elasticity of gas

Pressure

Wavelength

Amplitude and frequency of sound

In a resonance situation the amplitude of the motion may become extra ordinarily large, if

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the driving force is large

the driving force is zero

the driving force may be feeble

all of them

The loudness and pitch of a sound note depends on

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Intensity and velocity

Frequency and velocity

Intensity and frequency

Frequency and number of harmonic

Fluids can transmit:

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Transverse wave

Compressional wave

Both of them

None of them

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

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Solids

Liquids

Gases

All of them

The expression for restoring force is

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F=ma

F=kx

F= -kx

Kx=ma

Which type of wave can be set up in solids

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longitudinal waves

transverse waves

both of them

none of them

When a body is performing S.H.M., its acceleration is

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inversely proportional to the displacement

directly proportional to the applied force

directly proportional to the amplitude

directly proportional to the displacement but in opposite direction

In stationary waves

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Energy is uniformly distributed

Energy is minimum at nodes and maximum at antinodes

Energy is maximum at nodes and minimum at antidotes

Alternating maximum and minimum energy producing at nodes and antinodes

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

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Wave number

Frequency

Wavelength

Time period

In case of mechanical waves, we study the motion of

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a single particle

collection of particle

any one of them

none of them

Resonance occurs when one of the natural frequencies of vibration of the forced or driven harmonic oscillator

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greater than the frequency of applied force

equal to the frequency of applied force

less than the frequency of applied force

all of them

When a wave is travels from one place to another, it transfers:

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Matter

Energy

Momentum

Both B and C

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