Monochromatic green light of wavelength 5×10-7 m illuminates a pair of slits

Question

Monochromatic green light of wavelength 5×10^-7 m illuminates a pair of slits 1 mm apart. The separation of bright lines on the interference pattern formed on a screen 2 m away is

Options:

A . 0.25 mm

B . 0.1 mm

C . 1.0 mm

D . 0.01 mm

Answer: Option C
:
C

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