Multiple choice

Which of the following laws states that the incident ray, the normal to the surface at the point of incidence and the reflected ray, all lie in the same plane?

  1. Second law of reflection

  2. First law of refraction

  3. First law of reflection

  4. Second law of refraction

  5. Snell’s law

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

First law: The incident ray, the normal to the surface at the point of incidence and the reflected ray, all lie in the same plane.