A telescope is used to resolve two stars separated by 4.6 × 10 –6 rad. If the wavelength…
Physics · Class 12 · CBSE — Ray Optics & Optical Instruments
A telescope is used to resolve two stars separated by 4.6 × 10–6 rad. If the wavelength of light used is 5460 Å, what should be the aperture of the objective of the telescope?
- 0.1488 m
- 0.567 m
- 1 m
- 2 m
Answer
(A) 0.1488 m
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