@AgapeSeyie help me
Why does the light bends as it travels through different media? Explain Briefly.
Answers
When a ray of light travels from one medium to another, its speed changes and this change in speed of light causes a part of wave to travel slower than the other part. Thus, bending of light takes place in refraction.
The light bends as it travels through different media because of a phenomena called refraction. When a light beam travels from one medium to another, then it's velocity decreases or increases depending upon the optical density of the other medium. Notice the word beam here. A beam is a collection of many light rays. All light rays in a beam move individually. In reality we only have a narrow beam of light, a ray of light is idealization. When a light beam enters another medium at an slanting angle the ray that reaches the medium first changes it's velocity before any other ray, the change in velocity causes the beam to bend.
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