Home
Class 12
PHYSICS
Two sources of sound placed close to eac...

Two sources of sound placed close to each other are wmitting progressive waves given by `y_1=4sin600pit` and `y_2=5sin608pit`. An observer located near these two sources of sound will hear:

A

4 beats per second with intensity ratio 25: 16 between waxing and waning

B

8 beats per second with intensity ratio 25 : 16 between waxing and waning

C

8 beats per second with intensity ratio 81 : 1 between waxing and waning

D

4 beats per second with intensity ratio 81 : 1 between waxing and waning

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

Two sounding bodies producing prograssive waves given by y_1 =4 sin (400 pit ) and y_2 3sin ( 404 pit ) ,are situated very near to the ears of a person.He will hear (Here intensity ratio is between maxima and minima )

Two vibrating tuning forks produce prograssive waves given by y_1 = 4sin 500 pi t , and y_2 =2 sin 506 pi t and are hold near the ear of a person Number of beats head per minute is

Two vibrating tuning fork produce progressive waves given by y_(1) = 4 sin 500 pi t and y_(2) = 2 sin 506 pi t . Number of beats produced per minute is :-

The equations of two sound waves are given by, y_1 = 3sin ( 100 pi t ) and y_2 =4sin ( 150 pi t ) , The ratio of intensites of sound produced in the medium is

Two parallel S.H.M's are given by x_1 = 20sin8pit and x_2 =10sin[8pi t +frac(pi)(6)] . Find the resultant amplitude and phase.

Two waves y_1 =0.25 sin 316t and y_2 =0.25 sin 310t are travelling in same direction .The number of beats produced per second will be

Two sources of sound of intensity I and 4I are used in an interference of sound experiment. Then the intensity of sound at a point where the waves from the two sources superimpose with a phase difference of (pi /2) rad is

The equation of a simple harmonic progressive wave is given by y = 4 sin (pi) [ t / 0.02 - x / 75] cm.Find the displacement and velocity of the particle at a distance of 50 cm from the origin and at the instant 0.1 second (all quantities are in c.g.s. units)

The equator of simple harmonic progressive wave is given by Y = 0.05 sin (pi) [ 20 t - x /6] where all quantities are in S.I.units . Calculate the displacement of a particle at 5 cm from origin and at the instant 0.1 second.

A standing wave resulte from sum of two transverse travelling waves given by, y_(1)=0.050cos(pix-4pit)andy_(2)=0.050cos(pix+4pit) , where x,y_(1),y_(2) are in metre and t in seconds. The smallest positive value of x that corresponds to a node is