Answer: Law of reflection.
- A Law of refraction
- B Law of reflection
- C Law of diffraction
- D Law of interference
Correct answer: B. Law of reflection
Explanation: Law of reflection: angle of incidence = angle of reflection (both measured from the normal).
Concave mirror ray construction: a ray parallel to the axis reflects through F, and a ray through F reflects parallel, locating the inverted real image. Image: Maxmath12, CC0, via Wikimedia Commons.
Concept context
Reflection, refraction, lenses, mirrors, total internal reflection.