46. Horizontal rays of red light (λ = 660 nm, in vacuum) and violet light (λ = 410 nm, in vacuum) are incident on the flint-glass prism shown in the drawing. The indices of refraction for the red and violet light are nred = 1.662 and nviolet = 1.698. The prism is surrounded by air. What is the angle of refraction for each ray as it emerges from the prism?

 

w1382

Below is a modified diagram to show the angles of incidence and refraction

Snell’s Law again

Solve for the angle of refraction

 

 

For Red Light

 

For Violet Light

 

 

 

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This page last updated on July 5, 2018