Question # 1

In stationary waves the points which always remain at rest are.

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Nodes

Antinodes

Crest

Trough

Stars moving away from Earth show a

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Green shift

Blue shift

Red shift

Yellow shift

Who did give the correct formula for the speed of sound in air?

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Boyle

Laplace

Newton

Einstein

A set of frequencies which are multiples of the fundamental frequency are called.

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Doppler effect

Nodal frequencies

Beat frequencies

Hamonics

the louder the sound, the greater will be its.

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Speed

Frequency

Amplitude

Wave length

The distance between the consecutive nodes is

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In stationary waves, the velocity of particle at the node is.

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Maximum

Infinite

Zero

Varible

The periodic variations of sound between maximum and minimum loudness are called.

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Doppler's effect

reflection

Laplace correction

Beats

Two waves of same frequency and moving in the same direction produces.

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Interference

Diffraction

Beats

Stationary waves

In sonar we use

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Sound waves

Ultrasound waves

Microwaves

Radio waves

Light waves are

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Longtail waves

Transvers waves

Stationary waves

Mechanical wave

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Physics English Medium Fsc Part 1 Chapter 8 Online MCQs Test MCQs With Answers

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