In YDSE, how many maxima can be obtained on the screen if wave length of radiation used is 200 nm and d = 700 nm
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a
9
b
7
c
8
d
6
answer is B.
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Detailed Solution
The condition for maxima d sinθ = nλfor maximum path difference d = nλn=dλ=700200=3.5Hence 3rd order maximum is possible on both sides of central maximum.Total 7 maximum can be observed.