Physics · 2017
JEE Main · 9 April 2017, Shift 1 · Q23
A single slit of width 0.1 mm is illuminated by a parallel beam of light of wavelength 6000 and diffraction bands are observed on a screen 0.5 m from…
A single slit of width $\displaystyle 0.1$ mm is illuminated by a parallel beam of light of wavelength $\displaystyle 6000 \AA$ and diffraction bands are observed on a screen $\displaystyle 0.5$ m from the slit. The distance of the third dark band from the central bright band is :
Official answer
(2)
$\displaystyle 9$ mm
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JEE Main 2017 Physics question, with the answer from NTA’s final answer key. Where our answers come from.