Question

Starting with an expression for refraction at a single
spherical surface, obtain an expression for lens
maker's formula.

Answer 1

Answer:

Starting with an expression for refraction at a single spherical surface obtain an expression for lens maker's formula. ... τ= P1P2(thickness of lens). Let a point object O be placed on principal axis at a distance is u from P1. A ray OA travelling in rarer medium is incident on first surface of lens.

here is your answer

PLEASE MARK M3 AS BRAINLIST