Question # 1

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

Fidelity refers to

Choose an answer

Reproduction of original sound

Reproduction of original image

Reproduction of music

Reproduction of a CD from original copy

Which type of wave can be set up in solids

Choose an answer

longitudinal waves

transverse waves

both of them

none of them

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

Energy is dissipated and consequently the energy mass system do not oscillate indefinitely because of

Choose an answer

very small energy

very large energy

frictional forces

acceleration due to gravity

For production of beats the two sources must have

Choose an answer

Different frequencies and same amplitude

Different frequencies

Different frequencies, same amplitude and same phase

Different frequencies and same phase

Which one is not produced by sound waves in air?

Choose an answer

Polarization

Diffraction

Refraction

Reflection

An object undergoes S.H.M has maximum acceleration when its displacement form the means position

Choose an answer

maximum

zero

half of the maximum value

one third of the maximum value

The loudness and pitch of a sound note depends on

Choose an answer

Intensity and velocity

Frequency and velocity

Intensity and frequency

Frequency and number of harmonic

The ratio of velocity of sound in air at 4 atm pressure and that at 1 atm pressure would be

Choose an answer

1 : 2

4 : 1

1 : 4

2 : 1

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

Choose an answer

Solid

Gas

Plasma

None of these

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

Choose an answer

Interference

Diffraction

Polarization

Refraction

A second's pendulum is a pendulum whose time period is

Choose an answer

1 second

2 seconds

3 seconds

4 seconds

If F=0.04 N and X=4 cm then K=

Choose an answer

1 Nm^-1

2 Nm^-1

3 Nm^-1

4 Nm^-1

The temperature at which the speed of sound becomes double as was at 27°C is

Choose an answer

273°C

0°C

927°C

1027°C

The bob of a simple pendulum is suspended by

Choose an answer

string

heavy inextensible string

light extensible string

light inextensible string

When a wave is travels from one place to another, it transfers:

Choose an answer

Matter

Energy

Momentum

Both B and C

The speed of sound in a medium depends on

Choose an answer

The elastic property but not on the inertia property

The inertia property but not on the elastic property

The elastic property as well as the inertia property

Neither the elastic property nor the inertia property

In the resonance condition, the amplitude of the oscillator becomes

Choose an answer

very large

very small

zero

any one of them

The force which opposes the applied force producing the displacement in the spring is called

Choose an answer

restoring force

periodic force

centripetal force

resistive force

Which of the following does not exhibit S.H.M?

Choose an answer

a plucked violin string

a mass attached to a spring

a train shunting between two terminals

a simple pendulum

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

The characteristic of a body executing S.H.M is that its acceleration is

Choose an answer

inversely proportional to displacement

directly proportional to displacement

independent of displacement

equal to zero

When two waves with same frequency and constant phase difference phase difference interfere

Choose an answer

There is a gain of energy

There is a loss of energy

The energy is redistributed and the distribution changes with time

The energy is redistributed and the distribution remains constant with time

The waves produced in a microwave oven have wavelength.

Choose an answer

12 mm

12 cm

12 m

12 mm

Angular frequency 'w' is basically a characteristics of

Choose an answer

linear motion

circular motion

both of them

none of them

The example of mechanical wave is

Choose an answer

waves in ropes

waves on water surface

waves in air

all of them

The waves which propagate by the collision of material particles are known as

Choose an answer

e.m. waves

mechanical waves

light waves

microwaves

The waves which propagate out in space due to oscillation of electric and magnetic fields are known as

Choose an answer

e.m. waves

mechanical waves

sound waves

water waves

Mechanical waves on the surface of a liquid are

Choose an answer

Transverse

Longitudinal

Torsional

both transverse and longitudinal

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

More Classes

Other Links

ECAT Pre General Science 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

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