Suggest a new use with a spherical mirror

CBSE Class 10 CBSE Class 10 Science
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  1. Concave mirrors are used in long focal length camera lenses.
  2. In ‘Super snooper’ to focus and magnify sound from a great distance onto a microphone pick up.
  3. At one end of some gas LASERS to focus the emerging beam of light.
  4. In the telescopes to focus the very weak radio waves onto the suspended antenna.