A ray of light is incident an angle of 70-0 into a medium having refractive index mu- The reflected and refracted are found to suffer equal deviations in opposite direction mu equalstan70-02 sin70-0cosec70-0None of these

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A ray of light is incident at an angle of 700 into a medium having refractive index μ. The reflected and refracted are found to suffer equal deviations in opposite direction μ equalstan7002sin700cosec700None of these

A ray of light is incident at an angle of $70^{0}$ into a medium having refractive index $μ$ . The reflected and refracted are found to suffer equal deviations in opposite direction $μ$ equals
$t a n 70^{0}$
$2 s i n 70^{0}$
$c o s e c 70^{0}$
None of these