Physics, asked by shahveirrizwan1, 7 months ago

Explain how to solve this please...!!

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Answered by HERO1234567

1

Answer:

I don't know what is the answer Sorry my friend

Answered by hemant1810

1

Answer:

lens formula = 1/v -1/u=1/f

=1/30 -1/15=1/f

on solving you will get the answer

=+10cm

mark me brainliest

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