Question # 1

A weakly damped system has fairly

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sharp resonance curve

flat resonance curve

both of them

none of them

The time required to complete on vibration is called

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frequency

total time

time period

velocity

Waves transport energy

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without transport energy

with matter

both of them

none of them

The distance covered by the wave in one second is:

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Wave number

Wave length

Frequency

Wave speed

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

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

Two sound waves of slightly different frequencies propagating in the same direction produce beats due to

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Interference

Diffraction

Polarization

Refraction

Energy is not carried by

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Transverse progressive waves

Longitudinal vibration

Stationary waves

Electromagnetic

The maximum displacement of a body on either side of its equilibrium position is called

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frequency

amplitude

displacement

time period

Such oscillations in which the amplitude decreases steadily with time, are called

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resonance

force oscillations

large oscillations

damped oscillations

The waves in which the particles of the medium have displacement along the direction of propagation of waves are called

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longitudinal waves

transverse waves

non-mechanical waves

none of them

The instantaneous velocity of a body moving along a circle is directed

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along the radius

along the tangent

away from the circle

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

The process in which energy is dissipated from the oscillating system is known as

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resonance

interference

diffraction

damping

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

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ECAT Physics Chapter 8 Waves Online Test MCQs With Answers

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