Home
Class 11
CHEMISTRY
The wavelength of radiation emitted when...

The wavelength of radiation emitted when as electron in H-atom makes a transitino from n = 2 is n = 1 is

A

243. 2 nm

B

121.6 nm

C

356.8 nm

D

82.5 nm

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

What is the wavelength of light emitted when the electron in hydrogen atom undergoes transition from an energy level with n = 6 to an energy level with n = 3 ?

What is the wavelength of light emitted when the electron in a hydrogen atom undergoes trnsition from an energy level with n = 4 to an energy level with n = 2 ?

A difference of 2.3 eV separates two energy levels in an atom. What is the frequency of radiation emitted when the atom make a transition from the upper level to the lower level?

Energy band gap of gallium arsenide phosphate is 1.98 eV.Calculate the wavelength of electromagnetic radiation emitted,when electrons and holes combine in this alloy semiconductor directly.

What is the wavelength in nm of the spectral line associated with a transition from n=3 to n= 2 for the Li^(2+) ion?

Obtain an expression for the frequency of radiation emitted when a hydrogen atom de-excites form n to n-1 ,show that this frequency equals the classical frequency of revolution of the electron in the orbit.

In a sample of excited hydrogen atoms electrons make transition from n=2 to n=1. Emitted quanta strike on a metal of work function 4.2eV. Calculate the wavelength in A associated with ejected electron having maximum kinetic energy

Electromagnetic radiation (photon) with highest wavelength result when an electron in the hydrogen atom falls from n=6 to :