In Young's double slit experiment with sodium vapour lamp of wavelength 589 nm and the slits 0.589 mm apart, the half angular width of the central maximum is
A
sin−1 0.01
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B
sin−1 0.0001
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C
sin−1 0.001
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D
sin−1 0.1
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Solution
The correct option is Csin−1 0.001 In young's double slit experiment half angular width is given by,