10.3.1 - Refraction of a plane wave
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Practice Questions
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What happens to light when it enters a denser medium?
💡 Hint: Think about the direction relative to the normal line.
Define Snell's Law.
💡 Hint: Consider the refractive indices!
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Interactive Quizzes
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What does Snell's Law relate?
💡 Hint: Think about light bending at boundaries.
True or False: The frequency of light changes when it enters a different medium.
💡 Hint: What determines frequency?
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Challenge Problems
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A light ray travels from vacuum (n=1) into diamond (n=2.42) at an angle of 30 degrees. Calculate the angle of refraction.
💡 Hint: Write down the Snell's Law equation!
Using Snell's Law, derive the relationship between the wavelength of light in air and in a denser medium.
💡 Hint: Consider how speed changes in different media.
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