Physics, asked by AleXXa, 1 year ago

Hello everyone!

question from optics....please answer it fast!!

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Answered by lucifer5922
1

is this correct?

I am not sure

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AleXXa: correct answer!
lucifer5922: ok
AleXXa: need help in my question
AleXXa: check my asked questions
lucifer5922: which one?
AleXXa: recently asked. .. its of pendulum
lucifer5922: I don't know how to solve that question
lucifer5922: sorry
AleXXa: np ..
AleXXa: thnks for ur help
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