Question # 1

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

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Wave number

Frequency

Wavelength

Time period

With the propagation of a longitudinal wave through a material medium, the quantities transmitted in the propagation direction are

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Energy, momentum and mass

Energy

Energy and mass

Energy and linear momentum

Time period of simple pendulum is independent of

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length

mass

acceleration due to gravity

none of them

The phase determines the

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displacement

amplitude

frequency

state of motion of vibrating body

A heavily damped system has a fairly

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sharp resonance curve

flat resonance curve

both of them

none of them

If a simple pendulum is shifted from karachi to K-2 cliff, its time period

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remains the same

decreases

increases

none of them

In transverse waves, the individual particles of the medium move:

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In circles

Perpendicular to the direction of level

Parallel to the direction of level

None of these

Which of the following is not mechanical wave?

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Sound wave

Light wave

wave produced in spring

None of them

When a body is pulled away from its rest or equilibrium position and then released, the body oscillates due to

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applied force

momentum

restoring force

none of them

SI unit of frequency is

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second

hertz

revolution

vibrations/sec

The expression for restoring force is

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F=ma

F=kx

F= -kx

Kx=ma

When a mass 'm' is pulled slowly through a distance 'x_o' , the elastic potential energy of the spring would be

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P.E=Kx²_o

P.E= 1/2kx_o

P.E=1/2Kx²_o

P.E=Kx²_o

Which one of the following wave motions is transverse:

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Wave motion produced in water when a piece of stone is thrown into it

Pulling of weight hanging vertically with a spiral spring

Both of these

None of these

There is no net transfer of energy by particle of medium in

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Longitudinal wave

Transverse wave

Progressive wave

Stationary wave

The wave motion set up in any medium depends upon:

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Elasticity

Inertia

Density

All of these

If one end of a rubber cord is fixed with a support and the other end is wiggled by hand, the waves generated on the card are:

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Stationary waves

Transverse waves

Both of these

None of these

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Physics ECAT Pre Engineering Chapter 8 Waves Online Test MCQs With Answers

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