Draw a ray diagram to show the path of the reflected ray in each of the following cases: A ray of
light incident on a concave mirror is
(I) Parallel to its principal axis
(II) Directed towards its principal focus
(III) Passing through its centre of curvature
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Explanation:
i) When a ray of light passing through its optical center, then the incident ray is refracted straight which is shown in following diagram:
(ii) When a ray of light is incident on a concave lens, parallel to the principal axis, then the ray diagram is as follows:
(III) When a ray of light incident on a concave lens directed towards the principal focus, then the ray diagram will be as follows:
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