Home
Class 11
CHEMISTRY
n = 2 to n = 1 transition of the followi...

`n = 2` to `n = 1` transition of the following emit a photon with smallest wave length. 

A

H

B

`He^(+)`

C

`Li^(2+)`

D

`Be^(3+)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

Energy of a photon with a wave length of 450 nm is

Which of the following transitions of an electron in hydrogen atom emits of the lowest wavelength?

(A) The electron in the hydrogen atom passes from energy level n = 4 to the n= I level. The maximum and minimum number of photon that can be emitted are six and one respectively. The photons are emitted when electron make a transition from the higher energy state to the lower energy state.

The wavelength of the spectral line, for the transition n = 2 to n=1 in the hydrogen emission spectrum is .X.. Which of the following spectral line also has a wavelength of X

A hydrogen-like atom (atomic number Z) is in a higher excited state of quantum number n. This excited atom can make a transition to the first excited state by successively emitting two photons of energies 10.20 eV and 17.00 eV respectively. Alternatively the atom from the same excited state can make a transition to the second excited state by snccessively emitting two photons of energies 4.25 eV and 5.95 eV respectively. Determine the values of n and Z (ionization energy of hydrogen atom = 13.6 eV)

A near U.V. photon of 300 nm is absorbed by a gas then reemitted as two photons. If the wave length of one photon is 700 nm, find out the wave length of second photon.

The wavelength of the spectral line, For the transition n = 2 to n=1 in the hydrogen emission spectrum is 'X' . Which of the following spectral line also has a wavelength of X