a ray of light is incident on a concave mirror if it is parallel to the principal axis the reflected ray will?
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Explanation:
When a ray of light which is parallel to the principal axis gets reflected, it passes through its focus. ... Case 1: When an object is placed between the pole and focus (between P & F) of the concave mirror, then the ray of light will pass through focus and centre of curvature.
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it will retrace its path
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