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1. What is refractive index?
a. Refractive index \(=\) \(/\)
2. State Snell’s law.
a. The ratio of the sine of the angle of incidence and sine of the angle of refraction is equal to the ratio of .
b. Refractive index is denoted by the symbol
3. Define dispersion of light.
a. Dispersion of light is
b. White light is splitted into its
4. State Rayleigh’s law of scattering.
a. Rayleigh’s scattering law states that
b. Amount of scattering \(s\) \(∝\)