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Physics · PYQ NEET UG 2021

हिन्दी

A lens of large focal length and large aperture is best suited as an objective of an astronomical telescope since:

  1. a large aperture contributes to the quality and visibility of the images.
  2. a large area of the objective ensures better light gathering power.
  3. a large aperture provides a better resolution.
  4. all of the above.

Correct answer · Option 4

all of the above.

Explanation

A large aperture objective provides high light gathering power, better resolution, and improves image quality.
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