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what is refraction of light its laws


Asim 21st Nov, 2020
Answers (3)
sapanapatil4561 21st Nov, 2020
Hello student!!

Refraction is the bending of the path of a light wave as it passes across the boundary separating two media. Refraction is caused by the change in speed experienced by wave when it changes medium

Law of refraction:
The incident ray refracted ray, and the normal to the interface of two media at the point of incidence all lie on the same plane.
The ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant. This is also known as Snell's law of refraction.
Priya 21st Nov, 2020

Refraction is defined as  the bending of a wave when it passes from one medium to another. The bending is caused due to the differences in density between the two substances.

Laws of refraction state that:

  • The incident ray refracted ray, and the normal to the interface of two media at the point of incidence all lie on the same plane.
  • The ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant. This is also known as Snell’s law of refraction.

sini / sin r = constant

Aadarsh Gupta 21st Nov, 2020

Hello Aspirant,

Thanks for approaching us

Law of refraction of light states that :-

  • The  incident ray  refracted  ray, and  the  normal to  the  interface of two media at  the  point of incidence all lie on  the  same plane.  The  ratio of  the  sine of  the  angle of incidence to  the  sine of  the  angle of  refraction  is a constant. This is also known as Snell's  law  of  refraction  .
  • The ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant. This is also known as Snell’s law of refraction.
    sinisinr=constant

Hope this helps you

Feel free to ask any question

All the best for your future

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