Question

$\huge \sf \color{red}{QUESTION}$
➪write the rules of sign convention.


answer fast​

Answer 1

Answer:

The conventions are as follows: (i) The object is always placed to the left of the lens. This implies that the light from the object falls on the lens from the left hand side. (ii) All distances parallel to the principal axis are measured from the pole of the lens.

Answer 2

• All distances should be measured from the pole.
• The distances measured in the direction of incident light, to be taken positive and measured in the opposite direction of incident light to be taken negative.