Question

state the rules of refraction througj lens??​

Answer 1

Answer:

Rule 1: A ray of light parallel to the principal axis of the concave lens appears to be coming from focus after refraction through the lens. Rule 2: A ray of light passing through the optical center of the concave lens goes straight after refraction through the lens.

Explanation:

Answer 2

Explanation:

the rules are given:

1. an incident ray parallel to the principal axis, after refraction,passes or appears to pass through the principal focus.

2) an incident ray passing through the optical centre emerges straight without deviation after refraction.

hope its help u.