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A circular hole of diameter 0.15 cm is placed 2.1 m from a screen. On illuminating it by light of wavelength 5×10−7 m the width of central maxima will be |
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Answer» A circular hole of diameter 0.15 cm is placed 2.1 m from a screen. On illuminating it by light of wavelength 5×10−7 m the width of central maxima will be |
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