MHT CET Physics question
In bi-prism experiment, a source of monochromatic light is used for a certain distance between slit and eyepiece. When the distance between two virtual sources is changed from to , then the fringe width is changed from to . The ratio to is [MHT-CET 2022]
Answer: (C)
Solution
Fringe width , so ; options a, b and d give other dependences. Hence the correct option is (c).