State the two laws of refraction of light . if the speed of light in vacuum is 3*10^8 m/s , find the absolute refractive index in which light travels with the speed of 1.4*10^8 m/s
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the two law of refraction are
1.the ratio of the sine of the angle of incidence to the ratio of sine of angle of refraction
2 the incident ray the refractrd ray the normal at the point of incidance all lie on the same plane
absolute refractive index=speed of light in vaccum upon the speed of light in medium
absolute refractive = 3×10^8/ 1.4×10^8
2.14 m/s
1.the ratio of the sine of the angle of incidence to the ratio of sine of angle of refraction
2 the incident ray the refractrd ray the normal at the point of incidance all lie on the same plane
absolute refractive index=speed of light in vaccum upon the speed of light in medium
absolute refractive = 3×10^8/ 1.4×10^8
2.14 m/s
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