Question # 1

In which medium the speed of sound is greater.

Choose an answer

Oxygen

Air

Water

copper

The speed of sound in ari at 0 ^oC is 332 ms-1, Then the speed at 40 ^oC will be

Choose an answer

372 ms-1

356 ms-1

346 ms-1

332 ms-1

If the wave motion is 0.01 sec and wave speed is 100 ms-1 then frequency of wave is.

Choose an answer

0.5 Hz

1 Hz

10 Hz

100 Hz

When two identical waves superimposed, which can change.

Choose an answer

Wave length

Frequency

Velocity

Amplitude

The waves used in radar speed trap are

Choose an answer

Longitudinal

Sound wave

Micro waves

Matter waves

Longitudinal waves do not exhibit

Choose an answer

Reflection

Refraction

Polarization

Diffraction

In stationary waves, the particle velocity at nodes is

Choose an answer

Minimum

Maximum

Zero

Constant

The state of human blood flow can be found by using.

Choose an answer

Newton's formula of speed of sound

Interference of sound

Phenomena of beats

Doppler's effect of sound

An oscillating mass-spring system produces

Choose an answer

Sound waves

Electromagnetic waves

Light waves

Periodic waves

Speed of sound in vacuum is

Choose an answer

280 ms-1

332 ms-1

333 ms-1

Zero ms-1

A stationary waves is established din a string which vibrates in four segments at a frequency of 120 Hz, Its fundamental frequency is.

Choose an answer

15 Hz

30 HZ

60 Hz

480 Hz

If 30 waves per second pass through a medium at a speed 30 ms-1, then the wavelength is.

Choose an answer

30 m

15 m

1 m

28 m

With increase of temperature, speed of sound.

Choose an answer

Remains constant

Becomes zero

Decreases

Increases

Choose an answer

Sound wave can not be

Choose an answer

Reflected

Refracted

Diffracted

Polarized

According to Newton, sound travels in air under conditions of.

Choose an answer

Adiabatic

Isothermal

Isobaric

Isochoric

Increase in the velocity of sound in air for 1 ^oC rise in temperature is.

Choose an answer

61 ms-1

0.61 ms-1

161 ms-1

261 ms-1

Star moving towards the earth show

Choose an answer

Red shift

Blue shift

Green shift

Yellow shift

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

Choose an answer

Doppler's effect

reflection

Laplace correction

Beats

Half wavelength corresponds to

Choose an answer

0 ^o

90 ^o

180 ^o

360 ^o

10 waves pass through a point in 2 seconds with speed 10 ms-1 the frequency of wave will be

Choose an answer

1 Hz

2 Hz

5 Hz

10 Hz

The speed of sound is greater in solids due to their high.

Choose an answer

Density

Pressure

Temperature

Elasticity

Speed of sound in aluminum at 20 ^oC is.

Choose an answer

3600 m/s

5100 m/s

5130 m/s

3500 m/s

A stretched string 2 m long and it has 2 hopes of stationary waves hen the wavelength is

Choose an answer

4 m

2 m

3 m

1 m

More Classes

Other Links

Physics ICS Part 1 Chapter 8 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