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Physics
Physics
Problem
Which one of the following relations gives the angular position
θ
\theta
θ
of the first diffraction minimum produced by a single slit of width
a
a
a
using monochromatic light of wavelength
λ
\lambda
λ
? a)
a
sin
θ
=
λ
2
a\sin\theta=\dfrac{\lambda}{2}
a
sin
θ
=
2
λ
b)
2
a
sin
θ
=
λ
2a\sin\theta=\lambda
2
a
sin
θ
=
λ
c)
a
sin
θ
=
λ
a\sin\theta=\lambda
a
sin
θ
=
λ
d)
a
sin
θ
=
3
λ
a\sin\theta=3\lambda
a
sin
θ
=
3
λ
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