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Byju's Answer
Standard XII
Physics
Limit of Resolution
The limit of ...
Question
The limit of resolution of 100 cm telescope for
λ
=
5000
˚
A
is approximately equal to
A
0.13"
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B
0.3"
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C
1"
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D
1.4"
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Solution
The correct option is
A
0.13"
Given,
λ
=
5000
×
10
−
10
=
5
×
10
−
7
m
D
=
100
c
m
=
1
m
The limit of resolution of telescope
θ
=
1.22
λ
D
θ
=
1.22
×
5
×
10
−
7
1
θ
=
6.1
×
10
−
7
r
a
d
i
a
n
θ
=
0.13
′′
The correct option is A.
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0
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