A beam of light of \( \lambda=600 \mathrm{~nm} \) from a distant source
\( P \) falls on a singl... VIDEO
A beam of light of \( \lambda=600 \mathrm{~nm} \) from a distant source
\( P \) falls on a single slit \( 1 \mathrm{~mm} \) wide and the resulting
W diffraction pattem is observed on a screen \( 2 \mathrm{~m} \) away. The distance between first dark fringes on either side of the central bright fringe is :-
(1) \( 1.2 \mathrm{~cm} \)
(2) \( 1.2 \mathrm{~mm} \)
(3) \( 2.4 \mathrm{~cm} \)
(4) \( 2.4 \mathrm{~mm} \)
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