Question

rules for obtaining images formed by spherical mirror ​

Answer 1

1. A ray of light which run parallel to the principal axis, after reflection, passes through the principal focus F of a concave mirror, or appears to pass through the principal focus of a convex mirror.

2. A ray of light passing through the centre of curvature in a concave mirror or a ray of light going towards the centre of curvature of a convex mirror is reflected back along the same path.

3. A ray of light passing through the principal focus of a concave mirror or appearing to pass through the principal focus of a convex mirror becomes parallel to the principal axis after reflection.

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