Q172 / 180 · KCET 2009 · Physics

A parallel beam of light is incident on a converging lens parallel to its principal axis. As one moves away from the lens on the other side of the principal axis, the intensity of light

  • A
    first decreases and then increases
  • B
    continuously increases
  • C
    continuously decreases
  • Correct answer
    D
    first increases and then decreases

Solution

Beam first converges and then diverges ie intensity of light first increases and then decreases.

Hence, the correct answer is option: 'D'.

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