Hello Anchal,
T=2πr/v
And since r proportion to n^2
And v is proportion to 1/n
So T is proportion to n^3
Hence the ratio between n = 1 and n = 2 will be
(1)^3 : (2) ^3 = 1:8
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile