Question

E. Give reason for the following
1) A convex mirror is used near the driver’s seat in a motor car.
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2) Concave mirrors are used as a shaving mirror and makeup mirror.
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3) Concave mirrors are used by dentist.
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Answer 1

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1. A convex mirror always forms a small and upright image between pole and focus which helps the driver to see all the traffic coming behind in a small area of the mirror.

2. Concave mirrors are used as makeup mirrors or mirrors for shaving. When applying your makeup, you hold the mirror close to your face. This lets you see a magnified version of your face which is very helpful when trying to achieve accuracy and precision when shaving or applying makeup.

3. The concave mirrors are used by dentists because when the tooth is within the focus of concave mirror then an enlarged image of the tooth is seen in the concave mirror.

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