Question # 1

The restoring force always directed towards the

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extreme position

mean position

both of them

none of them

The square of 0.4 is:

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Greater than 0.4

Smaller than 0.4

Equal to 0.4

None of them

Angular frequency 'w' is basically a characteristics of

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linear motion

circular motion

both of them

none of them

SI unit of wave length is:

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Kilometer

Metre

Centimetre

Hertz

What is frequency of radio waves transmitted by a station, if the wavelength of those waves is 300 m?

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1 MHz

10 Hz

1 GHz

100000 Hz

If the time period a simple pendulum is 2 s, its frequency would be

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2 Hz

1.5 Hz

1.0 Hz

0.5 Hz

A swing has

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one natural frequency

two natural frequencies

three natural frequencies

four natural frequencies

A body is executing free vibrations when it oscilates

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with the interference of an external force

without the interference of an external force

with the interference of an internal force

none of them

A physical system under going forced vibrations is known as

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Simple harmonic oscillator

Compound harmonic oscillator

Physical harmonic oscillator

driven harmonic oscillator

Fluids can transmit:

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Transverse wave

Compressional wave

Both of them

None of them

Sound waves in air always

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Longitudinal

Transverse

Stationary

Electromagnetic

If the mass of the simple pendulum becomes double, its time period

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increase

decreases

remains constant

none of them

A simple pendulum consists of a

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small light bob

small heavy bob

big light bob

big heavy bob

If a wave can be polarized, it must be

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An electromagnetic wave

A longitudinal wave

A progressive wave

A transverse wave

A weakly damped system has fairly

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sharp resonance curve

flat resonance curve

both of them

none of them

One complete round trip of the body about its mean position is called

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displacement

vibration

a complete motion

an acceleration

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ECAT Physics Chapter 8 Waves Online Test MCQs With Answers

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