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2 cards from this section. Quick, good the night before a test.
What happens to light when it hits a mirror?
Think about how you see your image in a mirror.
Name one application of a periscope.
Where do you think this can be useful?
What is a periscope used for?
Think of its application in submarines.
True or False: Light always travels in straight lines.
Remember how light behaves when passing through different mediums.
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?
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?
Visualize the angles and the limit of reflections.
4 more questions in this section. Enroll free to practise them all.
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