70241
Description
Flashcards by Ellen Billingham, updated more than 1 year ago
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Created by Ellen Billingham
over 11 years ago
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| Question | Answer |
| Does a pencil in water look shorter or longer than it should be? | Shorter |
| Why does a pencil in water look shorter? | Because our eyes don't see the refraction of the light coming front the end of the pencil when it goes through a different material (water). |
| What are the three things the angle of refraction depend on? | a) the type of material the light changes to b) the angle it hits the surface at (angle of incidence) c) the colour/frequency of the light |
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