In the shown YDSE, incident light is in a medium of refractive index n₁ with wavelength λ₁. A slab of thickness t and refractive index n₃ is in front of one slit, while the medium between slits and screen has refractive index n₂. Find the phase difference at the geometrical centre O.
Physics · Wave Optics · young's dubble slit experiments
In the shown YDSE, incident light is in a medium of refractive index n₁ with wavelength λ₁. A slab of thickness t and refractive index n₃ is in front of one slit, while the medium between slits and screen has refractive index n₂. Find the phase difference at the geometrical centre O.
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