Question

. A single slit is of width 0.5 mm. Distance of screen
from slit is 1 m. Second maxima in diffraction
pattern is at distance 2 mm from centre. What is
wavelength of light?
(1) 560 nm
(2) 400 nm
(3) 40 nm
(4) 360 nm​

Answer 1

Answer:

Option 3rd (40 Nm) is the correct answer

Explanation:

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