Question

state laws of refraction of light​

Answer 1

Answer:

Laws of refraction state that: The incident ray, reflected ray and the normal, to the interface of any two given mediums; all lie in the same plane. The ratio of the sine of the angle of incidence and sine of the angle of refraction is constant.

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Answer 2

Laws :

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

2. When a ray of light passes through a rarer medium to a denser medium, the refracted ray is closed to the normal while the ray of light passes through a denser medium to a rarer medium, the refracted ray is away from the normal. [for any two mediums, the ratio of the sine of angle of incidence to the angle of sine of refraction is constant which is called refractive index.]

3. An incident ray passing through the normal always goes straight.

Snell's law : It states that the ratio of sine of angle of incidence to the sine of angle of refraction for two mediums is always constant. This constant is known as the refracted index.

Refracted index = sin i/sin r