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3 cards from this section. Quick, good the night before a test.
What type of lens corrects nearsightedness?
Think about which lens diverges light.
What principle helps fiber optics transmit data?
This principle keeps light trapped in the fiber.
How does a concave lens function?
Consider how this affects vision for those who can only see close.
True or False: Total internal reflection occurs in fiber optic cables.
Think about how light travels in the same medium.
A person has trouble seeing objects far away. What type of lens would a doctor prescribe and why?
Consider which lens type aids in focusing light for distant vision.
If fiber optics lost their capability for total internal reflection, what would happen to internet speeds?
Think about what happens when light fails to stay within a medium.
5 more questions in this section. Enroll free to practise them all.
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