Question # 1

The wavelength of fundamental note in one end closed pipe in term of length 'l' of pipe is.

Choose an answer

4 l

2l

l

1/4 l

With increase of temperature, speed of sound.

Choose an answer

Remains constant

Becomes zero

Decreases

Increases

Radar system is an application of.

Choose an answer

Chemical effect

Electric effect

Magnetic effect

Doppler's effect

If 332 waves pass through a medium in 1 second with speed of 332 ms-1 then wavelength will be

Choose an answer

7 m

332 m

664 m

1 m

Teh speed of sound in air is 340 m/s. If the pressure of air is doubled then the speed becomes.

Choose an answer

Double

Half

Four times

Remains same

In vibrating string, the points where the amplitude is maximum are called.

Choose an answer

Nodes

Antinodes

Troughs

Crests

The error in speed of sound calculated by Newton at STP is about.

Choose an answer

0 %

14 %

15 %

16 %

Stars moving away from Earth show a

Choose an answer

Green shift

Blue shift

Red shift

Yellow shift

the louder the sound, the greater will be its.

Choose an answer

Speed

Frequency

Amplitude

Wave length

The waves used in radar speed trap are

Choose an answer

Longitudinal

Sound wave

Micro waves

Matter waves

The profile of periodic waves generated by a source executing S.H.M is represented by a.

Choose an answer

Circle

Sine curve

Tangent curve

Cosine curve

When ever the path difference between the waves is integral multiple of half the wavelength, interference will be

Choose an answer

Constructive

Destructive

(-)ve

(+) ve

When the amplitude of a wave become double, its energy becomes

Choose an answer

One half

Two times

Three times

Four times

The experimental value for the velocity of sound in air is

Choose an answer

233 m-sec^-1

333 m-sec^-1

433 m-sec^-1

533 m-sec^-1

The process followed by Newton for the determination of speed of sound in air is

Choose an answer

Adiabatic

Isothermal

Isobaric

Isochoric

Sound waves are

Choose an answer

Electromagnetic waves

Transverse waves

Compressional waves

Matter waves

In stationary waves the points which always remain at rest are.

Choose an answer

Nodes

Antinodes

Crest

Trough

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

Choose an answer

Adiabatic

Isothermal

Isobaric

Isochoric

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