Which of the following statements is/are true about the principal axis of a spherical mirror?

Previouly Asked

RRB Group D Exam 17 August 2022 Shift 1


(i) It is normal to the mirror. (ii) Point of incidence always lies on the principal axis. (iii) Principal focus always lies on the principal axis.


  1. Only (ii)
  2. Both (i) and (ii)
  3. Both (i) and (iii)
  4. Only (i)


Solution

Answer - Both (i) and (iii)

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