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Physics - Wave Optics Question with Solution | TestHub

PhysicsWave OpticsYDSEMedium2 minPYQ_2022

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A thin transparent plate of thickness $t$ and refractive index $μ$ is introduced in the path of one of the two interfering waves. The path difference between these waves is changed by half the wavelength of light $λ$ . The thickness of the plate is

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Solution:

Path difference after passing through a plate of thickness $t$ and refractive index $μ$ is given by, $Δ x = (μ - 1) t = \frac{λ}{2}$ $∴ t = \frac{λ}{2 ( μ - 1 )}$

Stream:MHT_CETSubject:PhysicsTopic:Wave OpticsSubtopic:YDSE

⏱ 2mℹ️ Source: PYQ_2022

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