Physics, 26.06.2021 14:00 costel8532

A bag contains lenses with focal lengths 10 cm, 20 cm and 25 cm which are not marked with their focal length. Describe a simple activity to identify the three types lenses pls give the answer ASAP

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A bag contains lenses with focal lengths 10 cm, 20 cm and 25 cm which are not marked with their foca...

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