(a) An extended object in the form of an arrow pointing upward has been placed in front of a plane mirror. Draw a labelled ray-diagram to show the formation of its image.(b) State the uses of plane mirrors.

1. Plane mirrors are used to see ourselves. Example: mirrors in a bathroom, mirror on the dressing table.

2. Plane mirrors are fixed on the inner walls of certain shops (like jewellery shops) to make them look bigger.

3. Plane mirrors are fitted at blind turns of some busy roads so that drivers can see the vehicles coming from the other side and prevent accidents.

4. Plane mirrors are used for making periscopes.

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Updated on: 10-Oct-2022

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