In Young's double slit experiment green light is incident on the … - Vidyadip

MCQ

In Young's double slit experiment green light is incident on the two slits. The interference pattern is observed on a screen. Which one of the following changes would cause the observed fringes to be more closely spaced?

A
Moving the screen away from the slits
B
Using red light instead of green light
C
Reducing the separation between the slits
✓
Using blue light instead of green light

✓

Answer

Correct option: D.

Using blue light instead of green light

D

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