Questions
If yellow light emitted by sodium lamp in Young’s double slit experiment is replaced by a monochromatic blue light of the same intensity
a
fringe width will decrease
b
fringe width will increase
c
fringe width will remain unchanged
d
fringes will become less intense
detailed solution
Correct option is A
As fringe width is β=λDd and λb<λy, Fringe width decreases if light is changed from yellow to blue.Talk to our academic expert!
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