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MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
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In a biprism experiment, fifth dark fringe is obtained at a point. A thin transparent film of refractive index ' $\mu$ ' is placed in one of the interfering paths. Now $7^{\text {th }}$ bright fringe is obtained at the same point. If ' $\lambda$ ' is the wavelength of light used, the thickness of film is equal to
Questions Asked from Wave Optics (MCQ (Single Correct Answer))
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