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COMEDK 2020
MCQ (Single Correct Answer)
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A plastic sheet (refractive index = 1 6. ) covers one slit of a double slit arrangement for the Young’s experiment. When the double slit is illuminated by monochromatic light (wavelength = 5867 $$\mathop A\limits^o $$), the centre of the screen appears dark rather than bright. The minimum thickness of the plastic sheet to be used for this to happen is
Questions Asked from Wave Optics (MCQ (Single Correct Answer))
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