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Light Reflection and Refraction
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10/08/2021 1:05 pm
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(a) Give two circumstances in which a concave mirror can form a magnified image of an object placed in front of it. Illustrate your answer by drawing labelled ray diagrams for both.
(b) Which one of these circumstances enables a concave mirror to be used as a shaving mirror?
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10/08/2021 1:07 pm
(a) (i) When the object is placed between the pole and focus of a concave mirror, a magnified image is formed.
(ii) When the object is placed between the focus and the centre of curvature of a concave mirror, a magnified image is formed.
(b) A concave mirror can be used as a shaving mirror when the object is placed between the pole and focus of a concave mirror.