Question

Write the rules for sign conventions to be followed while measuring the distances using spherical mirrors​

Answer 1

Answer:

Sign Convention for Spherical Mirrors (Concave and Convex Mirrors)

• Distances are to be measured from the pole (vertex) of the mirror marked by point V in the figure.

• Distances measured along the direction of the incident ray are positive. The distance measured opposite the direction of the incident ray are negative.

• Distances measured above the principal axis are positive. Distances measured below the principal axis are negative.

Explanation:

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Answer 2

Answer:

Rules for Sign Conventions of Spherical Mirrors:

1. The object is taken on the left side of the mirror.

2. All the distances parallel to the principal axis of the spherical mirrors are measured from the pole of the mirror.

3. The distances measured in the direction of incident ray are taken as positive. (Right)

4. The distances measured in the direction opposite to the direction of incident ray is taken as negative. (Left)

5. The heights measured downwards are negative.

6. The heights measured upwards are positive.

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