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In Young's double slit, the n-th bright fringe lies at x equal to?
Anλ/(dD)
B(n+1/2)λD/d
CnλD/d
Dn(d+D)/λ
Answer & Solution
Correct answer: C. nλD/d
Bright fringes occur when xd/D equals nλ, so x equals nλD/d.
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