Top surface of a block of polystyrene surrounded by air

Reference no: EM13650151

A light ray of wavelength 589 nm is incident at an angleθ on the top surface of a block of polystyrene surrounded byair.

a) Find the maximum value of θ for which the refracted raywill undergo total internal reflection at the left vertical face of the block.
b)Find the maximum value of θ for which the refracted ray will undergo total internal reflection at the left vertical face of the block for the case in which the polystyrene block is immersed in water.

Reference no: EM13650151

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