In a Young's double-slit interference apparatus,the distance from the slits to the screen is doubled.The distance between adjacent light and dark fringes changes by a factor of:
A)1/4.
B)1/2.
C)1.
D)2.

Question

Quizplus · Accepted Answer

Doubling the distance from the slits to the screen doubles the fringe spacing, as fringe spacing is directly proportional to the distance to the screen.

In a Young's Double-Slit Interference Apparatus,the Distance from the Slits