1 - Fermat’s Principle of Stationary Time
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Practice Questions
Test your understanding with targeted questions
What does Fermat's Principle state?
💡 Hint: Think about paths and time.
What is the angle of incidence?
💡 Hint: Normal is the imaginary line perpendicular to the surface.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does Fermat's Principle state?
💡 Hint: Think about how light behaves in different situations.
True or False: The angle of reflection is always equal to the angle of incidence.
💡 Hint: Visualize a mirror.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Suppose light travels from air (n=1.0) into glass (n=1.5) at an angle of incidence of 30 degrees. Calculate the angle of refraction.
💡 Hint: Find sin(30) and use it in the equation.
If a mirage is observed on a hot road, describe how Fermat’s Principle defines the light's path to create this illusion.
💡 Hint: Focus on the refractive index variations caused by temperature gradients.
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