English

When an electron jumps from a higher energy orbit to a lower energy orbit, the difference in the energies in the two orbits is radiated as quantum (photon) of ______ - Physics

Advertisements
Advertisements

Question

When an electron jumps from a higher energy orbit to a lower energy orbit, the difference in the energies in the two orbits is radiated as quantum (photon) of ______  

Options

  • E = mc

  • E = `"h"/"v"`

  • E = `"hc"/lambda`

  • E = `lambda/"hc"`

MCQ
Fill in the Blanks

Solution

When an electron jumps from a higher energy orbit to a lower energy orbit, the difference in the energies in the two orbits is radiated as quantum (photon) of `underline(" E" = "hc"/lambda).` 

shaalaa.com
Structure of Atoms and Nuclei
  Is there an error in this question or solution?
Chapter 15: Structure of Atoms and Nuclei - MCQ’S

APPEARS IN

SCERT Maharashtra Physics [English] 12 Standard HSC
Chapter 15 Structure of Atoms and Nuclei
MCQ’S | Q 1

RELATED QUESTIONS

If the number of nuclei in a radioactive sample at a given time is N, what will be the number at the end of two half-lives?


Answer in brief.

Show that the frequency of the first line in the Lyman series is equal to the difference between the limiting frequencies of Lyman and the Balmer series.

Define the Excitation energy of an electron in an atom.


Define the Binding energy of an electron in an atom.


Define ionization energy of an electron in an atom.


Starting from the formula for the energy of an electron in the nth orbit of the hydrogen atom, derive the formula for the wavelengths of Lyman and Balmer series spectral lines and determine the shortest wavelengths of lines in both these series.


Choose the correct option.

The radius of the 4th orbit of the electron will be smaller than its 8th orbit by a factor of ______.


Which of the following properties of a nucleus does not depend on its mass number?


The ionization energy of Hydrogen atom in its ground state is ______.


The ratio of areas of the circular orbit of an electron in the ground state to that of the first excited state of an electron in a hydrogen atom is ______  


How much energy must be supplied to a hydrogen atom, to free (remove) the electron in the ground state? 


The radius of the smallest orbit of the electron( aO) in a hydrogen atom is 0.053 nm. What is the radius of the 4th orbit of the electron in a hydrogen atom?  


Define: Ionization energy.


Draw a neat labelled diagram showing energy levels and transition between them for the hydrogen atoms. 


Using the expression for the energy of an electron in the nth orbit, Show that `1/lambda = "R"_"H"(1/"n"^2 - 1/"m"^2),` Where symbols have their usual meaning. 


What is the angular momentum of the electron in the third Bohr orbit in the hydrogen atom? [Given: `h/(2π) = 1.055 xx 10^-34 kg.m^2//s`]


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×