A ray inside water (refractive index ) meets a water–glass boundary at an angle of…

PHYSICS · Subjective · A Level · Physics · Waves · Waves

Problem

A ray inside water (refractive index

1.33

) meets a water–glass boundary at an angle of incidence of

40^{\circ}

. If the angle of refraction in glass is measured to be

30^{\circ}

, determine the absolute refractive index of the glass.