Question

Write the rules for sign convention.
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Answer 1

Answer:

Rules for sign convention : 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.

Answer 2

Answer:

Rules for sign convention : 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.