A monochromatic beam of light falls on Young's double slit experiment apparatus as shown in figure. A thin sheet of glass is inserted in front of lower slit S 2 ( λ = 600 n m is wavelength of source) If the central bright fringe is obtained on screen at 'O' then

Question

A monochromatic beam of light falls on Young's double slit experiment apparatus as shown in figure. A thin sheet of glass is inserted in front of lower slit S 2 ( λ = 600 n m is wavelength of source) If the central bright fringe is obtained on screen at 'O' then, μ - 1 t = d sin ⁡ θ, μ - 1 t = d cos ⁡ θ, μ t = d θ, Not possible

MARKS App · Accepted Answer

Total path difference ∆ x = μ - 1 t - d sin ⁡ θ . For central maxima ∆ x = 0 hence μ - 1 t = d sin ⁡ θ

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