JEE Main 2022 (Online) 25th June Morning Shift | Wave Optics Question 77 | Physics

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 :

2 I

6 I

5 I

7 I

JEE Main 2022 (Online) 24th June Evening Shift

MCQ (Single Correct Answer)

-1

Two light beams of intensities in the ratio of 9 : 4 are allowed to interfere. The ratio of the intensity of maxima and minima will be :

2 : 3

16 : 81

25 : 169

25 : 1

JEE Main 2021 (Online) 27th August Evening Shift

MCQ (Single Correct Answer)

-1

The light waves from two coherent sources have same intensity I₁ = I₂ = I₀. In interference pattern the intensity of light at minima is zero. What will be the intensity of light at maxima?

I₀

2 I₀

5 I₀

4 I₀

JEE Main 2021 (Online) 27th July Morning Shift

MCQ (Single Correct Answer)

-1

In Young's double slit experiment, if the source of light changes from orange to blue then :

the central bright fringe will become a dark fringe.

the distance between consecutive fringes will decrease.

the distance between consecutive fringes will increases.

the intensity of the minima will increase.