Question

hter and at some other time, fainter - which is the twinkling effect.
a) Name the reason behind variation of the light entering our eyes.
) Draw diagram to show the apparent position of a star.​

Answer 1

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• In visual physiology, adaptation is the ability of the retina of the eye to adjust to various levels of light. Natural night vision, or scotopic vision, is the ability to see under low-light conditions.

Answer 2

Explanation:

• In visual physiology, adaptation is the ability of the retina of the eye to adjust to various levels of light. Natural night vision, or scotopic vision, is the ability to see under low-light conditions.