Optics Question 1133
Question: In Young’s double slit experiment the wavelength of light was changed from 7000 Å to 3500 Å. While doubling the separation between the slits which of the following is not true for this experiment
[Orissa JEE 2002]
Options:
A) The width of the fringes changes
B) The colour of bright fringes changes
C) The separation between successive bright fringes changes
D) The separation between successive dark fringes remains unchanged
Show Answer
Answer:
Correct Answer: D
Solution:
$ \beta \propto \frac{\lambda }{d} $
