Calculate the limit of resolution of a telescope objective having a diameter of 200 cm if it has to detect … 10-9 radian (4) 305 …
Answers:
Correct option (4) 305 ×10–9 radian
Explanation:
Δ θ = (1.22λ/d = 1.22 × 500 × 10-9)/(200 × 10-2)
= 305 × 10-9 rad