Reflection of light: Refraction of light: Refraction is the bending of light rays when passing from one medium to another. The bending of light is due to the change in the speed of light as it passws thought different optical mediums. Laws of refraction:
Laws of reflection:
The incident ray, reflected ray and the normal lies on the same plane.
Angle of incident is equal to angle of reflection.
Regular reflection:
This is the reflection of light over a smooth surface, like a mirror. Light is being reflected all in single direction.
Diffused Reflection:
This refers to the reflection of light rays over irregular (rough) surfaces, like a unpolished wall. Light is reflected in all different angles.
---Bending of light will take place when a light ray is incident perpendicularly onto the boundary of tow mediums.
---Light bends towards the normal when traveling from a less denser medium to a denser medium.
---Light bends away from the normal when traveling from a denser medium to a less dense one.
---The ratio of sine of incident angle and the sine of refracted angle will give a constant value of Refractive index (n).
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