What is meant by the power of accommodation of the eye?
The ability of the lens of the eye to adjust its focal length to clearly focus rays coming from distant as well from a near object on the retina, is known as the power of accommodation of the eye.
Why does the sky appear dark instead of blue to an astronaut?
Why does the Sun appear reddish early in the morning?
Explain why the planets do not twinkle?
Why do stars twinkle?
What happens to the image distance in the eye when we increase the distance of an object from the eye?