1.

The diagram alongside shows the refraction of a ray of light from air to a liquid. (a) Write the values of (i) angle of incidence, and (ii) angle of refraction. (b) Use snell's law to find the refractive index of liquid with respect to air.

Answer»


ANSWER :(a) (i) `60^(@)`, (ii) `45^(@)`, (B) `SQRT((3)/(2)) or 1*22`.


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