JEE Main 2021 Physics question

Physics Wave Optics JEE Main 2021

If the source of light used in a Young's double slit experiment is changed from red to violet :

(A)consecutive fringe lines will come closer.Correct
(B)the central bright fringe will become a dark fringe.
(C)the fringes will become brighter.
(D)the intensity of minima will increase.

Answer: (A)

Solution

Question ID VK-019807