An inflated balloon rises to a definite height once it starts going up. This balloon cannot rise any further because at that Physics - Questions and Answers

An inflated balloon rises to a definite height once it starts going up. This balloon cannot rise any further because at that height

(a)atmosphere pressure reduces to zero

(b)apparent weight of the balloon reduces to zero Right sign

(c)density of the balloon reduces to zero

(d)acceleration due to gravity reduces to zero

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