Question

sign convention for spherical Mirrors​

Answer 1

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Answer 2

Step-by-step explanation:

ANSWER:-

1. All distances are measured from the pole of the spherical mirror, which is often called origin.
2. The object is placed on the left of the mirror, Thus, the incident ray is considered to travel from left to right.
3. Distances measured in the direction of the incident ray (right of the pole) are taken as positive. The sign is taken as positive behind the spherical mirror.
4. Distances measured in the direction opposite to that of the incident ray (left of the pole) are taken as negative.
5. The sign is taken as negative from the pole of a spherical mirror towards the object along the principal axis. This means that sign is always taken as a negative in front of a spherical mirror.
6. The measured height perpendicular and above the principal axis is taken as positive. Thus, the heights of the object and the erect image are taken as positive.
7. The measured height perpendicular to and below the principal axis is taken as negative. Thus, the heights of the real and inverted images are taken as negative.