Question # 1

Velocity of sound in vacuum (in m/s) is

Choose an answer

330

1000

156

0

Of the following, the option ______ reminds of longitudinal waves.

Choose an answer

Sound waves

Heat waves

Electromagnetic waves

Light waves

When a mass 'm' is pulled slowly, the spring stretches by an amount x_o, then the work done will be

Choose an answer

W=Kx_o

W=1/2Kx_o

W=1/2Kx²_o

W=4Kx_o

When sound waves travel from air to water which of these remains constant?

Choose an answer

Velocity

Frequency

Wavelength

All the above

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

Choose an answer

Solids

Liquids

Gases

All of them

For transmission of both transverse and longitudinal waves, we can use:

Choose an answer

Solid

Gas

Plasma

None of these

In case of mechanical waves, we study the motion of

Choose an answer

a single particle

collection of particle

any one of them

none of them

Decibel is unit of

Choose an answer

Intensity of light

x-ray radiation capacity

sound loudness

Energy of radiation

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

Choose an answer

subsonic speed

sonic speed

super sonic speed

any one of them

Which one of the following wave motions is transverse:

Choose an answer

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

Waves transport energy

Choose an answer

without transport energy

with matter

both of them

none of them

When the bob of simple pendulum is at mean position, its K.E will be

Choose an answer

maximum

minimum

zero

all of them

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

Choose an answer

2 Hz

1.5 Hz

1.0 Hz

0.5 Hz

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

Choose an answer

In circles

Perpendicular to the direction of level

Parallel to the direction of level

None of these

SI unit of wave length is:

Choose an answer

Kilometer

Metre

Centimetre

Hertz

Ultra-violet rays differ from X-rays in that they

Choose an answer

Cannot be diffracted

Cannot be polarized

Have a lower frequency

Are deviated when they pass through a magnetic field

More Classes

Other Links

ECAT Physics Chapter 8 Waves Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer