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OpenStudy (anonymous):
You don't have any matches, so you want to focus sunlight to ignite a pile of twigs for a campfire. Which mirror would be best to use? A.convex mirror B.concave mirror C.flat mirror D.plane mirror
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OpenStudy (thedj4jc):
B is what I found
OpenStudy (thedj4jc):
Was that right?
OpenStudy (shamim):
After reflection of sunlight by a concave mirror meets on a focus point nd helps to ignite
OpenStudy (shamim):
We hv to put object on focus point of concave mirror to ignite
OpenStudy (shamim):
Can u tell me abt convex mirror
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