The two light beams having intensities I and 9I interfere to produce a fringe pattern on a screen. The phase difference between the beams is π /2 at point P and π at point Q. Then the difference between the resultant intensities at P and Q will be:

Optics: JEE Main 2022 Physics question

JEE Main 2022 · 25 Jun, Morning shift · Q8444

JEE Main 202225 Jun, Morning shiftPhysicsEasyOptics190× since 2002

The two light beams having intensities I and 9I interfere to produce a fringe pattern on a screen. The phase difference between the beams is

\pi

/2 at point P and

\pi

at point Q. Then the difference between the resultant intensities at P and Q will be :

JEE Main 2022 · 25 Jun, Morning shift · Q8444

JEE Main 202225 Jun, Morning shiftPhysicsEasyOptics190× since 2002

The two light beams having intensities I and 9I interfere to produce a fringe pattern on a screen. The phase difference between the beams is

\pi

/2 at point P and

\pi

at point Q. Then the difference between the resultant intensities at P and Q will be :