Define Snell's law.write its uses.
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Snell’s law is defined as “The ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant, for the light of a given colour and for the given pair of media”. Snell’s law formula is expressed as:
sinisinr=constant=μ
Where i is the angle of incidence and r is the angle of refraction. This constant value is called the refractive index of the second medium with respect to the first.
used in optical apparatus such as eyeglasses, contact lenses, cameras, rainbows. There is an instrument called a refractometer that uses Snell’s law to calculate the refractive index of liquids. It is used all the time in the candy-making industry.
sinisinr=constant=μ
Where i is the angle of incidence and r is the angle of refraction. This constant value is called the refractive index of the second medium with respect to the first.
used in optical apparatus such as eyeglasses, contact lenses, cameras, rainbows. There is an instrument called a refractometer that uses Snell’s law to calculate the refractive index of liquids. It is used all the time in the candy-making industry.
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Snell's law is defined as "The ratio of the sine of the angle of incidence to the sine to the angle of refraction is a constant, for the light of a given colour and for the given pair of media".In optics the law is used in Ray tracing to compute the angles of incidence or refraction and in experimental optics to find the refractive index of a material.
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