Advertisements
Advertisements
Question
Which transition corresponds to emission of radiation of maximum wavelength?
Solution
`E = (hC)/lambda`
`lambda = (hC)/E`
For maximum wavelength, energy transition should be minimum.
A undergoes minimum energy transition.
A = 2 eV
Thus, photon in A will have the maximum wavelength.
APPEARS IN
RELATED QUESTIONS
A hydrogen atom initially in the ground level absorbs a photon, which excites it to the n = 4 level. Determine the wavelength and frequency of the photon.
The total energy of an electron in the first excited state of the hydrogen atom is about −3.4 eV.
What is the potential energy of the electron in this state?
The total energy of an electron in the first excited state of the hydrogen atom is about −3.4 eV.
Which of the answers above would change if the choice of the zero of potential energy is changed?
Obtain the first Bohr’s radius and the ground state energy of a muonic hydrogen atom [i.e., an atom in which a negatively charged muon (μ−) of mass about 207 me orbits around a proton].
What are means by pair annihilation? Write a balanced equation for the same.
A 12.3 eV electron beam is used to bombard gaseous hydrogen at room temperature. Upto which energy level the hydrogen atoms would be excited?
Calculate the wavelengths of the second member of Lyman series and second member of Balmer series.
The Ionisation energy of hydrogen atom is 3.6 ev The ionisation energy of helium atom would be
Energy levels A, B, C of acertain atom corresponding to increasing value of energy, i.e., EA< E8 < Ee. If λ1, λ2 and λ3 are the wavelength of radiations corresponding to the transitions C to B, B to A and C to A respectively, which of the following statements is correct?
Two H atoms in the ground state collide inelastically. The maximum amount by which their combined kinetic energy is reduced is ______.
Which of the following is true for X-rays?
