In which transition one quantum of energy is emmited:-1.n=4 to n=22.n=4 to n=13.n=3 to n=1

In all the three transitions n=4→n=2, n=3→n=1 and n=4→n=1, one quantum of energy is emitted. Whenever an electron jumps from higher energy level to lower energy level, a quantum of energy is emitted

Approved