Home
Class 12
PHYSICS
Figure here shown P and Q as two equally...

Figure here shown P and Q as two equally intense coherent sources emitting radiations of wavelength 20 m. The separation PQ is 5.0 m and phase of Q is ahead of the phase of P by `90^(@)`. A,B and C are three distant points of observation equidistant from the mid-point of PQ. The intensity of radiations at A,B and C will bear the ratio

A

`0:1:4`

B

`4:1:0`

C

`0:1:2`

D

`2:1:0`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

Fig, here shows P and Q as two equally intense coherent sources emitting radiations of wavelength 20m. The separation PQ si 5m, and phase of P is ahead of the phase Q by 90^(@) . A, B and C are three distant points ofobservation equidistant from the mid - point of PQ. The intensity of radiations of A, B, C will beasr the ratio

If A(-2,50,B(3,1) and P,Q are the points of trisection of bar(AB), then mid point of bar(PQ) is

If a point A(0,2) is equidistant from the points B(3,p) and C(p,5), then find the value of p.

If the point A(0, 2) is equidistant from the points B(3, p) and C(p, 5), find p.

If A=(1,2,3) and B(3,5,7) and P,Q are the points on AB such that AP=PQ=QB , then the mid point of PQ is

A point source of constant power P is emitting photon of wavelength lambda . What is the intensity of photons at r distance from the source ?(speed of light = c)

S_(1) and S_(2) are two equally intense coherent point second sources vibrating in phase. The resultant intensity at P_(1) is 80 SI units then resultant intensity at P_(2) in SI units will be

Two waves are propagating to the point P along a straight line produced by two sources A and B of simple harmonic and of equal frequency. The amplitude of every wave at P is a and the phase of A is ahead by pi//3 than that of B and the distance AP is greater than BP by 50 cm . Then the resultant amplitude at the point P will be if the wavelength 1 meter

Two coherent point sources S_1 and S_2 vibrating in phase emit light of wavelength lamda . The separation between them is 2lamda . The light is collected on a screen placed at a distance Dgt gt lamda from the slit S_1 as shown. The minimum distance, so that intensity at P is equal to the intensity at O