Optics Question 377

Question: The diameter of the objective of the telescope is 0.1 metre and wavelength of light is 6000 Å. Its resolving power would be approximately

[MP PET 1997]

Options:

A) 7.32×106rad

B) 1.36×106rad

C) 7.32×105rad

D) 1.36×105rad

Show Answer

Answer:

Correct Answer: D

Solution:

Resolving power =d1.22 λ=0.11.22×6000×1010

1.36×105radian



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