2.5 - Evanescent Wave
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Practice Questions
Test your understanding with targeted questions
What is an evanescent wave?
💡 Hint: Think about how light behaves at the boundary of two different media.
What happens during total internal reflection?
💡 Hint: Consider the relationship between the angle of incidence and the critical angle.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is an evanescent wave?
💡 Hint: Focus on how the wave behaves at the interface.
True or False: Evanescent waves can carry energy away from the surface.
💡 Hint: Consider the nature of the wave.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Given that the refractive index of a medium is 1.33, calculate the critical angle when light passes to air (n=1.0).
💡 Hint: Use the relationship of refractive indices to solve for the critical angle.
Discuss how the concept of evanescent waves is crucial for the development of optical biosensors.
💡 Hint: Think about how light interacts with surrounding media to enable detection.
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