Which One of The Following Statements is Correct?

  1. The image formed by a concave mirror for an object lying at infinity is at the principal focus, highly diminished, real and inverted
  2. A ray of light parallel to the principal axis after reflection from a concave mirror appears to diverge from the principal focus of the mirror.
  3. The focus length of a spherical mirror is double of its radius of curvature
  4. A ray of light travelling from a rarer medium to a denser medium bends away from the normal.
Anurag Mishra Professor Asked on 29th September 2015 in Physics.
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    Answer: (2) A ray of light parallel to the principal axis after reflection from a concave mirror appears to diverge from the principal focus of the mirror

    Anurag Mishra Professor Answered on 4th October 2015.
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