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Ray Optics and Optical Instruments — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsRay Optics and Optical Instruments1 Mark
MCQ
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 on its principal axis, the intensity of light:
  • A
    Remains, constant.
  • B
    Continuously increases.
  • C
    Continuously decreases.
  • ✓
    First increases then decreases.
✓

Answer

Correct option: D.
First increases then decreases.

The intensity o light is first increases then decreases.

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