Optics Question 1113

Question: In young’s double slit experiment with a source of light of wavelength 6320AA , the first maxima will occur when

[Roorkee 1999]

Options:

A) Path difference is 9480AA

B) Phase difference is 2p radian

C) Path difference is 6320AA

D) Phase difference is p radian

Show Answer

Answer:

Correct Answer: B

Solution:

For maxima, path difference Δ=nλ So for n =1, Δ=λ=6320AA



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