Home Physics Wave Optics Mix In a young experiment the light source is at…
Physics Wave Optics Mix MCQ (Single Correct)

In a young experiment the light source is at distance l 1 = 20 μ m and l 2 = 40 μ m from the slits. The light of wavelength λ = 500 nm is incident on slits separated at a distance 10 μ m. A screen is placed at a distance D = 2 m away from the slits as shown in figure. Find.

A
The value of θ relative to the central line where maxima appear on the screen ?
B
How many maxima will appear on the screen?
C
What should be minimum thickness of a slab of refractive index 1.5 be placed on the path of one of the ray so that minima occurs at C?

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40 500 nm

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