The diffraction pattern of light of wavelength 400 nm diffracting… | JEE Main 2024 Physics PYQ

MCQEasyJEE Main 2024 · 30 January, Shift 1Diffraction & Polarisation

The diffraction pattern of light of wavelength $400 \, \text{nm}$ diffracting from a slit of width $0.2 \, \text{mm}$ is focused on the focal plane of a convex lens of focal length $100 \, \text{cm}$ . The width of the 1st secondary maxima will be:

A
$2 \, \text{mm}$
B
$2 \, \text{cm}$
C
$0.02 \, \text{mm}$
D
$0.2 \, \text{mm}$

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