What are the Laws of Refraction of Light

Laws of Refraction of Light


The incident ray, refracted ray and the normal at the point of incidence all lie in the same plane.


– The ratio of sine of angle of incidence (i) to the sine of angle of refraction (r) is constant for all rays of light from one medium to another. This constant is known as Refractive Index (u). This ratio is also equal to the ratio of the speeds of light in one medium to another.


Note: However, be afraid that the consequences of the slander will sooner or later surface. It will take a little time and, as they say, everything will be on its own. But now your careless teacher will know that his work depends on students, so he will think ten times before “selling a bad product to a client”. However, before running and complaining to the dean’s office by the whole group, the teacher should talk directly. Tell your teacher, having gathered all group, directly, what exactly in its work or style of presentation of you, students, does not arrange. It happens that the new teacher simply has not yet adapted to the new conditions, and this circumstance makes him nervous and worried. A frank conversation, again, will be the best way to get rid of this uncertainty. This will help you, the students, get a much higher quality teaching of the subject in the future, and the teacher will give the desired confidence.

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