A mixture of light, consisting of
wavelength 590 nm and an unknown
wavelength, illuminates Young’s double
slit and gives rise to two overlapping
interference patterns on the screen.
The central maximum of both lights
coincide. Further, it is observed that
the third bright fringe of known light
coincides with the 4th bright fringe of
the unknown light. From this data, the
wavelength of the unknown light is
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Answer:
A mixture of light, consisting of wavelength 590 nm and an unknown wavelength, illuminates Young’s double slit and gives rise to two overlapping interference ...
Top answer · 1 vote
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Explanation:
nλ₁ =( n₂)λ₂
3 x 590 = 4 x λ₂
λ₂ = 442.5
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