1.

Let light of wavelength 600 nm is coming from a star. The limit of resolution of a telescope with objective lens of diameter 254 cm will be nearly

A. 5.8 × 10-7 radian
B. 2.9 × 10-7 radian
C. 1.4 × 10-7 radian
D. 0.72 × 10-7 radian
Answer» C. 1.4 × 10-7 radian


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