In case of a hydrogen like atom when an electron jumps from n = 4 to n = 3 it gives ultraviolet radiation. The radiation of visible spectrum region may be obtained when transition of electron is from
(a) n = 4 to n = 2
(b) n = 3 to n = 2
(c) n = 5 to n = 3
(d) n = 5 to n = 4