A ray of light travels in medium of refractive index mu. It incidents at a surface in contact with air at 45^@. For what value of mu, this ray will undergo total internal reflection ?

A ray of light travels in medium of refractive index mu. It incidents

1.	A ray of light travels in medium of refractive index mu. It incidents at a surface in contact with air at 45^@. For what value of mu, this ray will undergo total internal reflection ?
Answer» `MU`=1.33 `mu=1.40` `mu=1.50` `mu=1.25` SOLUTION :For total internal REFLECTION, `mu ge (1)/(SINC) ge sqrt2 ge 1.414` `therefore mu=1.50`

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A ray of light travels in medium of refractive index mu. It incidents at a surface in contact with air at 45^@. For what value of mu, this ray will undergo total internal reflection ?

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