Question

Write about the sign convention for the parameters related to
mirror equation

Answer 1

Answer:

All the distances should be measured from the pole.

The distances measured in the direction of incident light,

to be taken positive & those measured in the direction

opposite to incident light to be taken negative.

Height of the object & height of the image are positive if

measured upwards from the axis & negative if measured

downwards.

Answer 2

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