1. A concentrated image of the Sun can be focussed at 50cm away from a
mirror. What is the focal length of the mirror ?
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Answer:
69cm.
Explanation:
Because the sun is so hot. Why the sun is so hot? Because when you face the mirror to me, the hot light rays from me will reach the sun and make it hot because I'm so hot. So the sun can't resist my sexiness and tells me that the focal length is 69cm.
Thank you
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