Concept explainers
The angular spread of visible light passing through a prism.
Answer to Problem 25P
Explanation of Solution
Given Info:
Explanation:
Write the expression for snell’s law for prism to calculate angle of refraction for red light.
Here,
Substitute
Write the expression for snell’s law,
Here,
Substitute
Write the expression for snell’s law for prism to calculate angle of refraction for violet light.
Here,
Substitute
Write the expression for Snell's law.
Here,
Substitute
Write the expression for angular spread of visible light,
Here,
Substitute
Conclusion:
Therefore, the angular spread of visible light passing through a prism is
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Chapter 34 Solutions
Physics for Scientists and Engineers
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