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light-reflection and refraction — Science STD 10 — Question

Gujarat BoardEnglish MediumSTD 10Sciencelight-reflection and refraction3 Marks
Question
Write the uses of concave mirrors.
✓

Answer

  • Uses of concave mirrors are as follows:
  • $(1)$ Concave mirrors are used as reflectors in torches, search-lights, headlights of motor vehicles, etc. to get powerful parallel beams of light.
  • $(2)$ Concave mirrors are often used as shaving mirrors/ make-up mirrors to see a larger image of the face.
  • $(3)$ Concave mirrors are used by the dentists to see large images of the teeth of patients.
  • $(4)$ Large concave mirrors are used to concentrate sunlight to produce heat in solar cookers, solar furnaces, etc.
  • $(5)$ A concave mirror is used as a doctor's head mirror to focus light on the body parts like eyes, ears, nose, throat, etc. to be examined.
  • $(6)$ Large concave mirrors are also used in reflecting telescopes.

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