Question

how does an eye focus the object lying at various distances​

Answer 1

Answer:

The lens focuses light rays on the retina, the thin, light-sensitive inner layer at the rear of the eye. Muscles in the ciliary body enable the flexible lens to alter its shape and allow the eye to focus on objects at varying distances. ... The ability of the lens to focus from far to near is called accommodation.

Explanation:

Answer 2

Answer:

HOW CAN YOU PROVE IT  THIS QUESTION

. Leela is Radha’s younger sister. Leela is 4 years younger than Radha. Write Leela’s age with respect to Radha’s age. Take Radha’s age to be x years.

Explanation:

ANSWER WILL BE                                                                                                          Solution: Let Radha’s age be x years

Leela’s age = 4 years younger than Radha

= (x – 4) years