Physics, asked by Shivanyab2020, 1 month ago

the suitable focal length of convex lens used as hall mark 916 written on ornaments is-
a.12cm
b.60cm
c.100cm
d.120cm

Answers

Answered by pratimaupadhya77

2

the suitable focal length of convex lens used as hall mark 916 written on ornaments is- a. 12cm

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