Question

#Hello Mates#

Please explain me "Laws of refraction"

Please it's necessary
I am having exam today....​

Answer 1

changing path of a light ray as it passes from one medium to another medium is called refraction of light.

laws of refraction:-
1) the incident ray the reflected ray and the normal to the interface of two transparent media at the point of incidence all lie in the same plane.
2) the ratio of sine of angle of incidence to the Sine of angle of reflection for light of given colour is constant for the given pair of media(Snell's law) it is expressed as
sin i/sin r=n(constant)

and that is the constant is known as refractive index

Answer 2

Explanation:

QUESTION :-

LAW OF REFRACTION

ANSWER :-

SNELL'S LAW STATE THAT FOR A GIVEN COLOUR OF LIGHT,THE RATIO OF SINE OF THE ANGLE OF INCIDENCE TO SINE OF ANGLEOF REFRACTION IS A CONSTANT WHEN LIGHT TRAVELS FROM ONE MEDIUM TO ANOTHER.

n1 sin q1 = n2 sin q2

OTHER INFORMATION :-

Ray of light bends when it enters from one medium to the other having different optical densities.

When light wave travels from one medium to another ,the wave length and velocity changes but frequency of light waves remain the same.

An object under water (any medium) appears to be raised due to refraction when observed obliquely.

Absolute refractive index is the ratio between the velocities of light in vaccum to velocity of light in medium.

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@TheStellar♥️

hope it's help u ichikaa didi....xD