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Multiple choice
For single-slit diffraction of a plane wave (wavelength
λ
\lambda
λ
) through a slit of width
a
a
a
, the condition
a
sin
θ
=
m
λ
a\sin\theta = m\lambda
a
sin
θ
=
mλ
for
m
=
±
1
,
±
2
,
…
m = \pm1, \pm2, \ldots
m
=
±
1
,
±
2
,
…
gives the angles of which features?
🔬 try it before you answer
The dark fringes (intensity minima)
The bright fringes (intensity maxima)
The angles where the wave does not bend at all
The central maximum only
Check answer