1. What happens to a light wave that strikes glass at a right angle?
2. Do Concave lenses have focal points? if so, where is it?
To be answered by 4/17 after reading chap4.2(119~125p)
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±Û¾´ÀÌ ¹Ì¸£³ª·¡ µî·ÏÀÏ 2013-04-10 19:38 Á¶È¸¼ö 1,289 |
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1. What happens to a light wave that strikes glass at a right angle?
2. Do Concave lenses have focal points? if so, where is it?
To be answered by 4/17 after reading chap4.2(119~125p)
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1. A right angle is the angle 90. So the light wave will be reflected the exact way it came.
2. Concave Lenses makes the light to spread out. The lights don't meet. So a Concave Lens doesn't have a focal point.