Answers

2015-08-12T19:43:13+05:30
To focus light we use concave mirrors, i.e, to focus the distant objects.
to correct the short sightedness of the eyes.
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2015-08-12T20:13:52+05:30
Uses of Concave mirrors:
1. Concave mirrors are used as reflectors in torches, vehicle headlights and search lights to get powerful beam of light.
2. Concave mirrors are used a shaving mirrors to see a large image of the face.
3. Concave mirrors are used by dentists to see the large images of the teeth of patients.
4. Large concave mirrors are used in the field of solar energy of focus sun's rays for heating solar furnaces.
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