The limit of resolution of a 100 cm telescope for λ = 5000 Å is equal to

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Question: Answered & Verified by Expert

The limit of resolution of a

100 cm

telescope for

λ = 5000 Å

is equal to

PhysicsWave OpticsJEE Main

Options:

A $61 \times 10^{- 8} rad$
B $6.1 \times 10^{- 8} rad$
C $12.2 \times 10^{- 8} rad$
D $122 \times 10^{- 8} rad$

Solution:

1629 Upvotes Verified Answer

The correct answer is:

61 \times 10^{- 8} rad

d θ = \frac{1.22 λ}{d} = \frac{1.22 \times 5 \times 10^{- 7}}{1} = 61 \times 10^{- 8}

rad

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