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प्रश्न
- 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.
- Which one of these circumstances enables a concave mirror to be used as a shaving mirror?
आकृती
लघु उत्तर
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उत्तर
- When the object is placed between the pole and the focus of a concave mirror, a magnified image is formed.
When the object is placed between the focus and the centre of curvature of a concave mirror, a magnified image is formed.
- A concave mirror can be used as a shaving mirror when the object is placed between the pole and the focus of the concave mirror.
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