Physics, asked by doll63, 1 year ago

plzz solve 4th no ques..

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Answered by ankitpuri829

0

Intensive proportional to a^2

l1/l2 = a^2(1)/a^2(2)

49/16 = (a1/a2)^2

So a1/a2 = 7/4

Peace out !

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