Question # 1

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

Through which character we can distinguish the light waves from sound waves

Choose an answer

Interference

Refraction

Polarization

Reflection

Which of the following changes at an antinode in a stationary wave?

Choose an answer

Density only

Pressure only

Both pressure and density

Neither pressure nor density

If two waves of length 50 cm and 51 cm produced 12 beats per second, the velocity of sound is

Choose an answer

360 m/s

306 m/s

331 m/s

340 ms

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

Choose an answer

Energy, momentum and mass

Energy

Energy and mass

Energy and linear momentum

The vibratory or oscillatory motion of a body is

Choose an answer

translatory motion

back and forth motion about its mean position

free all motion

circular motion

Which of the following is an example of a S.H.M?

Choose an answer

motion of a projectile

motion of a train along a circular path

motion of swing

electrons revolving sound the nucleus

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

Choose an answer

Velocity

Frequency

Wavelength

All the above

While describing the motion of a simple pendulum, the frictional effects are

Choose an answer

taken into account

completely ignored

partially ignored

none of them

The velocity of sound at same temperature is maximum in

Choose an answer

H₂

N₂

O₂

NH₃

The restoring force always directed towards the

Choose an answer

extreme position

mean position

both of them

none of them

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

Choose an answer

Interference

Diffraction

Polarization

Refraction

An object undergoes S.H.M has maximum speed when its displacement from the mean position is

Choose an answer

maximum

zero

half of the maximum value

one third of the maximum value

The waves in which the particles of the medium are displaced in a direction perpendicular to the direction of propagation of waves are known as

Choose an answer

longitudinal waves

transverse waves

non-mechanical waves

none of them

A string is stretched between two points and is plucked at right angles to its length, the vibration produced is:

Choose an answer

Longitudinal wave

Transverse wave

No vibration at all

None of them

Which one is not produced by sound waves in air?

Choose an answer

Polarization

Diffraction

Refraction

Reflection

More Classes

Other Links

Physics ECAT Pre Engineering 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