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
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Answer:
Correct Answer: D
Solution:
$ \beta \propto \frac{\lambda }{d} $
BETA
