To find focal length of a Concave Mirror


 Procedure(Followed in this Lab)

  • Hold the concave mirror in your right hand and select a distant object (a candle in this case). The selected object should be visible with your naked eyes.
  • Adjust the position of the screen in such a way that it forms a clear image of the candle on the screen.
  • Measure the distance between the concave mirror and the screen with a metre scale.
  • Repeat the experiment two or three times.


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