Question

explain the sign conventions of mirror .​

Answer 1

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Object is always placed to the left of mirror. All distances are measured from the pole of the mirror. Distances measured in the direction of the incident ray are positive and the distances measured in the direction opposite to that of the incident rays are negative.

Answer 2

Sign convention - definition

According to it: Object is always placed to the left of mirror. All distances are measured from the pole of the mirror. Distances measured in the direction of the incident ray are positive and the distances measured in the direction opposite to that of the incident rays are negative.

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