Radiation coming from transitions to of hydrogen atoms fall on ions in and states

CHEMISTRY · Single correct · CBSE · Chemistry · Structure of Atom · Structure of Atom

Problem

Radiation coming from transitions

n = 2

n = 1

of hydrogen atoms fall on

\text{He}^+

ions in

n = 1

and

n = 2

states. The possible transition of helium ions as they absorb energy from the radiation is : (1)

n = 2 \to n = 3

(2)

n = 1 \to n = 4

(3)

n = 2 \to n = 5

(4)

n = 2 \to n = 4