a prism of refractive index 1.6 produces an angle of minimum deviation 40 calculate angle of glass prism
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Answer:
… where n is the refractive index, A is the prism angle, and D is the angle of minimum deviation. We can rearrange this to give:
Now we replace the right hand side of that equation using the trigonometric identity for the sine of a sum:
After substituting and dividing across by sin(A/2) we get:
Finally we can rearrange this to give:
All that remains is to fill in the given values, D=40°, n=1.6 to get the prism angle A=54.8°.
Explanation:
hope it's helpful
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