Question

write any four sign convention​

Answer 1

Answer:

if energy is absorbed ots taken as +ve

if energy is released it's taken as -ve

if image size is -ve it's real

if image size is +ve its virtual

bruh that's all I know.

pls mark as branliest

Answer 2

Answer:

The four sign for convention is-

1) Light initially propagates from left to right.

2) The origin of the Cartesian coordinate system is at the centre of the optical component.

3) Distances measured normal to the optic axis are positive above and negative below.

4) We denote object space distances as l, h, f, and image space distances as l ', h', f '.

Explanation:

hope it helps ya!

have a great day/night <3