In Young’s double-slit experiment, the screen is moved away from the plane of the slits. What will be its effect on the following?

These are the options for the question :In Young’s double-slit experiment, the screen is moved away from the plane of the slits. What will be its effect on the following?

(i)) Angular separation of the fringes: (ii) Fringe-width. (A) Both (i) and (ii) remain constant. (B) (i) remains constant, but (ii) decreases. (C) (i) remains constant, but (ii) increases. (D) Both (i) and (ii) increase.

The correct answer is -(C) (i) remains constant, but (ii) increases.