Question

1. Please define the laws of reflection .
2. What do you mean by refraction ?​

Answer 1

Answer:

(1) Consider a light-ray incident on a plane mirror, the law of reflection states that the incident ray, the reflected ray, and the normal to the surface of the mirror all lie in the same plane. The angle of reflection is equal to the angle of incidence. Both angles are measured with respect to the normal to the mirror.

(2) In physics, refraction is the change in direction of a wave passing from one medium to another or from a gradual change in the medium. Refraction of light is the most commonly observed phenomenon, but other waves such as sound waves and water waves also experience refraction.

Answer 2

Answer:

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