find the position of an object when placed in front of a concave mirror of focal length 20 cm produces a virtual image,which is twice size of object. Pls tell how to do, not simply the answer.
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sreerami14:
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How to do that
I'm new on brainly
it can be done problematically if object distance is given
object distance is not givn so we follow d rules
that is concave mirror forms virtual image if it is kept only between pole and focus
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Object distance=(-30 cm).
pls explain!!
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