Home
Class 12
PHYSICS
Two identical sources each of intensity ...

Two identical sources each of intensity `I_(0)` have a separation `d = lambda // 8`, where `lambda` is the wavelength of the waves emitted by either source. The phase difference of the sources is `pi // 4` The intensity distribution `I(theta)` in the radiation field as a function of `theta` Which specifies the direction from the sources to the distant observation point P is given by

A

`I_0`

B

`2l_0`

C

`3l_0`

D

`4l_0`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

Two identical radiators have a separation of d=lambda//4 where lambda is the wavelength of the waves emitted by either source. The initial phase difference between the sources is pi//4 . Then the intensity on the screen at a distant point situated at an angle theta=30^@ from the radiators is (here I_0 is intensity at that point due to one radiator alone)

Two light sources with intensity I_(0) each interfere in a medium where phase difference between them us (pi)/2 . Resultant intensity at the point would be.

In the above questions, the intensity of the waves reaching a point P far away on the +x axis from each of the four sources is almost the same, and equal to I_(0) . Then,

In Young s double slit experiment, the phase different between two coherent sources of equal intensity is π/3.The intensity at a point which is at equal distance from the two slits is (l0 is maximum intensity)

Two coherent sources each emitting light of intensity I_(0) Interfere, in a medium at a point, where phase different between them is (2pi)/3 . Then, the resultant intensity at that point would be.

Two point sources of sound are kept at a separation of 10 cm. They vibrate in phase to produce waves of wavelength 5.0 cm. What would be the phase difference between the two waves arriving at a point 20 cm from one source (a) on the line joining the sources and (b) on the perpendicular bisector of the line joining the sources ?

S_(1) and S_(2) in List I represent coherent point sources, S represents a point source lambda = wavelength of light emitted by the sources. Fringe pattern is observed on the screen. Exclude the position of source while detecting the fringe pattern.

Two sources of intensity I and 4I are used in an interference experiment. Find the intensity at a point where the waves from two sources superimpose with a phase difference of (a) zero, (b) pi//2 , (c ) pi and (d) ratio of maximum and minimum intensity.

Two identical sources of sound S_(1) and S_(2) produce intensity I_(0) at a point P equidistant from each source . (i) Determine the intensity of each at the point P . (ii) If the power of S_(1) is reduced to 64% and phase difference between the two sources is varied continuously , then determine the maximum and minimum intensities at the point P . (iii) If the power of S_(1) is reduced by 64% , then determine the maximum and minimum intensities at the point P .

Two incoherent sources of light emitting light of intensity I_(0) and 3I_(0) interfere in a medium. Calculate, the resultant intensity at any point.