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MCQEasyJEE Main 2023 · 15 April, Shift 1Diffraction & Polarisation

Physics Question from JEE Main 2023 · 15 April, Shift 1

A single slit of width aa is illuminated by a monochromatic light of wavelength 600 nm600\,nm. The value of aa for which the first minimum appears at θ=30∘\theta = 30^\circ on the screen will be

  • A

    0.6 μm0.6\,\mu\mathrm{m}

  • B

    1.2 μm1.2\,\mu\mathrm{m}

  • C

    1.8 μm1.8\,\mu\mathrm{m}

  • D

    3 μm3\,\mu\mathrm{m}

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