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KCET2009PhysicsRay Optics

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

Options

  1. Afirst decreases and then increases
  2. Bcontinuously increases
  3. Ccontinuously decreases
  4. Dfirst increases and then decreases

Correct answer

D. first increases and then decreases

Step-by-step solution

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

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