A parallel beam of light of wavelength 600 nm is incident normally on a slit of width d …
Physics · Class 12 · CBSE — Wave Optics
A parallel beam of light of wavelength 600 nm is incident normally on a slit of width d. If the distance between the slits and the screen is 0.8 m and the distance of 2nd order maximum from the centre of the screen is 15 mm. The width of the slit is
- 40 µm
- 80 µm
- 160 µm
- 200 µm
Answer
(B) 80 µm
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