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Q: What will be the angle of incidence for a ray of light incident along the principal axis of a convex mirror?
  • A. 0º
  • B. 30º
  • C. 60º
  • D. 90º
Correct Answer: Option A - If a ray of light is incident on a convex mirror along its principal axis then the angle of incident as well as the angle of refection for ray of light will be zero. Using the law of reflection when the light ray is incident normally then both angle of incidence and reflection become zero.
A. If a ray of light is incident on a convex mirror along its principal axis then the angle of incident as well as the angle of refection for ray of light will be zero. Using the law of reflection when the light ray is incident normally then both angle of incidence and reflection become zero.

Explanations:

If a ray of light is incident on a convex mirror along its principal axis then the angle of incident as well as the angle of refection for ray of light will be zero. Using the law of reflection when the light ray is incident normally then both angle of incidence and reflection become zero.