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What is the use of concave mirror?

  1. Used by doctors to examine ears, nose
  2. Used by dentist to examine teeth
  3. Used as reflectors in torches and headlights of cars
  4. All of the above

Answer: All of the above

Long Answer:

The concave mirrors are used:

  1. By doctors to examine ears, nose.
  2. By dentists to examine teeth
  3. As reflectors in torches and headlights of cars

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