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Physics
Physics
Problem
A single slit of width
a
a
a
is illuminated by a monochromatic light of wavelength
600
nm
600 \text{ nm}
600
nm
. The value of
a
a
a
for which first minimum appears at
θ
=
30
∘
\theta = 30^\circ
θ
=
3
0
∘
on the screen will be :
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