How far from the lens is the prism placed

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Reference no: EM13983676

We wish to attempt to duplicate some of Newton's result with a lens and prism. A lens with a focal length og 10 cm is placed in a ray of sunlight and a prism is placed at the "downstream" focal point of the lens. The light passing through the prism is broken into its compent colors. If it is an equilateral prism (all of the prism angles are 60 degrees) made of crown glass (n=1.52) and the light is incident at a 30 degree angle to one face of the prism:

a) How far from the lens is the prism placed?

b) What is the angle of deviation for light (greenish yellow) of wavelength 589 nm?

c) What angle of incidence is required for total internal reflection within the prism?

Reference no: EM13983676

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