:) The two slits of a double slit each have a width of 0.140 mm and a distance
between centers of 0.840 mm. (a) What orders are missing, and (b) what is the
approximate intensity of orders m = 0 to m = 6?
ba
(4
Answers
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Explanation:
ANSWER
Given,
d=1mm
D=1m
n=20
Lets consider, a= width of each slit
Width of the central maxima, β
′
=
a
2λD
Fringe width, β=
d
λD
According to the question,
20β=β
′
20.
d
λD
=
a
2λD
10.a=d
a=
10
d
=
10
1mm
a=0.1mm=0.01cm
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