STANDARD Physics Young's Double Slit Experiment MCQ Question
Young’s experiment is performed with light of wavelength 6000 Å wherein 16 fringes occupy a certain region on the screen. If 24 fringes occupy the same region with another light of wavelength λ, then λ is
6000 Å
4500 Å
5000 Å
4000 Å
Correct Answer
Detailed Explanation
Using the formula n₁λ₁ = n₂λ₂, where n₁ = 16, λ₁ = 6000 Å, n₂ = 24, we find λ₂ = (16 × 6000) / 24 = 4000 Å.
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