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masha2204
 3 years ago
You have a converging lens which focuses the sunrays into a small spot about
12 cm from the lens. Would you be able to tell what a focal length and a optical
power of this lens is? Defend your answer.
masha2204
 3 years ago
You have a converging lens which focuses the sunrays into a small spot about 12 cm from the lens. Would you be able to tell what a focal length and a optical power of this lens is? Defend your answer.

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gleem
 3 years ago
Best ResponseYou've already chosen the best response.0what is the meaning of focal length? Draw a diagram.
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