Get 2 FREE Instant-Explanations on Filo with code FILOAPP

Home

Class 12

Physics

Atoms

The Line Spectra of the Hydrogen Atom

The ionisation potential of hydrogen atom is -13.6 {eV}. An el

Question

Medium

Solving time: 3 mins

The ionisation potential of hydrogen atom is $- 13.6 eV$ . An electron in the ground state of a hydrogen atoms absorbs
a photon of energy $12.75 eV$ . How many different spectral line can one expect when the electron make a downward transition?

Views: 5,401 students

Found 4 tutors discussing this question

James Discussed

The ionisation potential of hydrogen atom is

- 13.6 eV

. An electron in the ground state of a hydrogen atoms absorbs
a photon of energy

12.75 eV

. How many different spectral line can one expect when the electron make a downward transition?

9 mins ago

Discuss this question LIVE

9 mins ago

Text solutionVerified

E = E_{1} / n^{2}

Energy used for excitation is

12.75 eV

ie,

(- 13.6 + 12.75) eV = - 0.85 eV

Energy levels of H-atom
The photon of energy

12.75 eV

can excite the fourth of level H-atom
Therefore, six lines will be emitted.
(n

\frac{( n - 1 )}{2}

lines).

Was this solution helpful?

Report

One destination for complete JEE/NEET preparation

One destination to cover all your homework and assignment needs

Learn Practice Revision Succeed

Instant 1:1 help, 24x7

60, 000+ Expert tutors

Textbook solutions

Big idea maths, McGraw-Hill Education etc

Essay review

Get expert feedback on your essay

Schedule classes

High dosage tutoring from Dedicated 3 experts

Trusted by 4 million+ students

Stuck on the question or explanation?

Connect with our Physics tutors online and get step by step solution of this question.

231 students are taking LIVE classes

Question Text	The ionisation potential of hydrogen atom is $- 13.6 eV$ . An electron in the ground state of a hydrogen atoms absorbs a photon of energy $12.75 eV$ . How many different spectral line can one expect when the electron make a downward transition?
Topic	Atoms
Subject	Physics
Class	Class 12
Answer Type	Text solution:1
Upvotes	40

The ionisation potential of hydrogen atom is $- 13.6 eV$ . An electron in the ground state of a hydrogen atoms absorbs
a photon of energy $12.75 eV$ . How many different spectral line can one expect when the electron make a downward transition?

Text solutionVerified

Practice more questions from Atoms

Practice questions on similar concepts asked by Filo students

The ionisation potential of hydrogen atom is −13.6eV. An electron in the ground state of a hydrogen atoms absorbs a photon of energy 12.75eV. How many different spectral line can one expect when the electron make a downward transition?

Text solutionVerified

Practice more questions from Atoms

Practice questions on similar concepts asked by Filo students

Related books for questions on Atoms

The ionisation potential of hydrogen atom is $- 13.6 eV$ . An electron in the ground state of a hydrogen atoms absorbs
a photon of energy $12.75 eV$ . How many different spectral line can one expect when the electron make a downward transition?