Answers

2015-02-13T21:51:54+05:30
1.it is used in spectacles by people who have difficulty to see distant objects
2.dentists use it to get a enlarged image of small parts of teeth
3.shaving mirrors consists of concave mirror
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2015-02-13T21:54:27+05:30
1. It is used in a shaving mirror 2. It is used by dentists to get a better view of patient's teeth 3. It is used in street lamps, head lights of car, etc. to focus the light rays as a single beam. 4.used in telescopes
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