The aperture diameter of a telescope is...... | Wave Optics

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JEE MAIN 2020

09-01-20 S1

Question

The aperture diameter of a telescope is 5 m . The separation between the moon and the earth is $4 \times 10^5 \mathrm{~km}$. With light of wavelength of 5500 Å, the minimum separation between objects on the surface of moon, so that they are just resolved, is close to:

Select the correct option:

A

20 m

B

200 m

C

600 m

D

60 m

✓ Correct! Well done.

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Solution

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