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[18]Answers

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µî·ÏÀÏ 2013-04-19 21:06

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1. What happens to a light wave that strikes glass at a right angle?

 

answer1.

It slows down, but it doesn't change direction.

 

 

 

 

 

 

2. Do Concave lenses have focal points? if so, where is it?

 

Answer2

 

When you extend the light in the opposite direction, it meets at a certain point. That is the focal poing of a concave lens.

 

 

 


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