CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Emission and Absorption Spectra

Electron fall...

Question

Electron falls from seventh energy level and lower energy level to give bands in paschen series. Total number of bands obtained are:

A

4

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

B

3

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

2

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

1

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B 4
total number of band obtained = $N_{2} - N_{1}$
$N_{2} = 7$
$N_{1} = 3$ (for paschen)
$= 7 - 3 = 4$
Option A

Suggest Corrections

thumbs-up

0

Similar questions

Q. Assertion :The energy bands in a solid correspond to the energy levels in an atom. Reason: An electron in a solid can have only energies that fall with these energy bands.

Q. Find the number of spectral line in Paschen series emitted by atomic

H

, when electron excited from ground state to

70^{t h}

energy level return back.

Q. There are energy bands in a solid. Do we have really continuous energy variation in a band ro do we have very closely spaced but still discrete energy levels?

Q. (a) Using Bohr's postulates, obtain the expression for total energy of the electron in the

n^{t h}

orbit of hydrogen atom.
(b) What is the significance of negative sign in the expression for the energy?
(c) Draw the energy level diagram showing how the line spectra corresponding to Paschen series occur due to transition between energy levels.

Q. Energy band at a higher level is called ________ .

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Emission and Absorption Spectra

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Emission and Absorption Spectra

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon