Answer :

A. We know that the binding energy is given by,



Now, energy in the first state is given as, E=0.85eV


So,


Again,


Thus, the states are 4 and 2.


B. If we take n1 as n and n2 as m and thus calculate the wavelength as follows,



or, λ=487nm


Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses
RELATED QUESTIONS :

(a) State Bohr’s Physics - Board Papers

The Bohr model foPhysics - Exemplar

Consider an excitHC Verma - Concepts of Physics Part 2

Suppose in an imaHC Verma - Concepts of Physics Part 2

In the Auger procPhysics - Exemplar

A uniform magnetiHC Verma - Concepts of Physics Part 2

Consider a neutroHC Verma - Concepts of Physics Part 2

Light from BalmerHC Verma - Concepts of Physics Part 2

A neutron having HC Verma - Concepts of Physics Part 2

A particle is movPhysics - Exemplar