Questions
A screen is at a distance of 2 m from narrow slits that are illuminated with light of 589nm. The 10th minimum lies at 0.005 m on either side of the central maximum, then the distance between the slits will be
detailed solution
Correct option is B
The given values are D=2m, λ=589nm=589×10−9m, n=10thmin, Y=0.005m, d=? dYD=(2n−1)λ2 d0.0052=(2×10−1)589×10−92 ⇒ d=2.23 mmTalk to our academic expert!
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