A transparent plate of refractive index 1.5 is inserted in front of one slit of a Young's double-slit experiment using light of wavelength 600 nm. Find the minimum plate thickness, in nanometres, required to change the intensity at the original central point from a maximum to a minimum.

Physics · Wave Optics · young's dubble slit experiments

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A transparent plate of refractive index 1.5 is inserted in front of one slit of a Young's double-slit experiment using light of wavelength 600 nm. Find the minimum plate thickness, in nanometres, required to change the intensity at the original central point from a maximum to a minimum.