Physics, Chemistry, Maths Forum

hydrogen atom-energy

hydrogen atom-energy

by vasu v -
Number of replies: 1

Q1. The electronic transition in hydrogen atom which accompanied by maximum release of energy is.

Answer: n=2 to n=1. 

Pls Explain why?

Q2.For the hydrogen atom, the energy of electron is -13.58/n2 eV. The minimum quantity of energy which it can absorb in its ground state is

Answer: 10.19 eV,

Explain pls,,,

In reply to vasu v

Re: hydrogen atom-energy

by saksham kum -
see you have the answer yourself

E=Rhc/n2=13.6/n2
E2-E1=Rhc(1/n12-1/n22)
for n1=1 and n2=2 the quantity (1/n12-1/n22) is maximum and so the answer n=2ton=1