The ratio of minimum to maximum wavelength in Balmer series is

Options

A. `5:9`
B. `5:36`
C. `1:4`
D. `3:4`

Answer

A

Explanation

`(1)/(lambda) prop ((1)/(n_(1)^(2))-(1)/(n_(2)^(2)))`
`(lambda_(min))/(lambda_(max)) = (((1)/(2^(2)) - (1)/(3^(2))))/(((1)/(2^(2)) - (1)/(oo))) = (5)/(9)`a