In a Youngs double slit experiment, \( \mathrm{d}=1 \mathrm{~mm}, \lambda=6000 \) P \( \AA \& \m...
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In a Youngs double slit experiment, \( \mathrm{d}=1 \mathrm{~mm}, \lambda=6000 \)
P \( \AA \& \mathrm{D}=1 \mathrm{~m} \). The slits produce same intensity on the
W. screen. The minimum distance between two points on the screen having \( 75 \% \) intensity of the maximum intensity is:
(1) \( 0.45 \mathrm{~mm} \)
(2) \( 0.40 \mathrm{~mm} \)
(3) \( 0.30 \mathrm{~mm} \)
(4) \( 0.20 \mathrm{~mm} \)
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