1.

Monochromatic light is refracted from air into the glass of refractive index mu. The ratio of the wavelenght of incident and refracted waves is :

Answer»

`1 : mu`
`1 : mu^(2)`
`mu : 1`
`1 : 1`

SOLUTION :(c ) `lambda PROP (1)/(mu) rArr (lambda_(1))/(lambda_(2)) = (mu_(2))/(mu_(1))-=(mu)/(1)`


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