13.4 - Reflected Light Can be Reflected Again
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Practice Questions
Test your understanding with targeted questions
What happens to light when it hits a mirror?
💡 Hint: Think about how you see your image in a mirror.
Name one application of a periscope.
💡 Hint: Where do you think this can be useful?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is a periscope used for?
💡 Hint: Think of its application in submarines.
True or False: Light always travels in straight lines.
💡 Hint: Remember how light behaves when passing through different mediums.
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Challenge Problems
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A rectangular room has mirrors on opposite walls. If a light beam strikes one mirror at 30° and travels back and forth, how many reflections will it create before returning to its origin?
💡 Hint: Consider mirrors as endless passageways.
Two mirrors form a 45° angle. If you shine a light at one mirror, how many distinct paths can the light take before it strikes the other mirror?
💡 Hint: Visualize the angles and the limit of reflections.
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