Question # 1

the velocity of sound is maximum at 20 ^oC in

Choose an answer

Lead

Copper

Glass

Iron

Beats can be heard when difference of frequency is not more than.

Choose an answer

8 Hz

10 Hz

4 Hz

6 Hz

In which medium the speed of sound is greater.

Choose an answer

Oxygen

Air

Water

copper

Half wavelength corresponds to

Choose an answer

0 ^o

90 ^o

180 ^o

360 ^o

According to Newton's formula, the speed of sound in air at STP is

Choose an answer

332 ,ms-1

340 ms-1

350 ms-1

280 ms-1

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

Choose an answer

Doppler's effect

reflection

Laplace correction

Beats

the velocity of sound at 0 ^oC is 332 ms-1, the velocity of sound at 10 ^oC will be

Choose an answer

337.1 ms-1

338.1 ,ms-1

342.1 ms-1

328.1 ms-1

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

The distance between two consecutive crests of troughs is called

Choose an answer

Time period

Wave length

Frequency

Displacement

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

When two identical waves superimposed, which can change.

Choose an answer

Wave length

Frequency

Velocity

Amplitude

Frequency range of hearing of cats is.

Choose an answer

20-20000 Hz

10- 10000 Hz

60-20000 Hz

60-70000 Hz

The distance between two consecutive crest is called.

Choose an answer

Displacement

Amplitude

Wave front

Wavelength

The speed of sound increases with the increase of in

Choose an answer

Pressure

Volume

Temperature

Density

Two tuning forks of frequencies 240 Hz and 243 Hz are sounded together, the number of beats per second is.

Choose an answer

Zero

2

3

4

Velocity of sound is independent of

Choose an answer

Temperature

Density

Pressure

Medium

Diffraction is a special type of

Choose an answer

Reflection

Polarization

Interference

Refraction

An oscillating mass-spring system produces

Choose an answer

Sound waves

Electromagnetic waves

Light waves

Periodic waves

More Classes

Other Links

Physics Fsc 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