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The refractive index is

The refractive index is the ratio of the sine of the angle of incidence to the sine of the angle of refraction. The ratio between the speed of... View Article

Fill in the Blank

Substances through which heat is easily conducted are known as _____. Answer: Conductors Explanation: Substances through which heat is... View Article

Define critical angle.

The angle of incidence in the denser medium corresponding to which the angle of refraction in the rarer medium is 90º The critical angle is the... View Article