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What should be the size of the aperture ...

What should be the size of the aperture of the objective of telescope which can just resolve the two stars of angular width of `10^(3)` degree by light of wavelength 5000 Å ?

A

3.5 cm

B

3.5 mm

C

3.5 m

D

3.5 km

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TARGET PUBLICATION-INTERFERENCE AND DIFFRACTION-CRITICAL THINKING
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