Advertisements
Advertisements
प्रश्न
Find the angular momentum of an electron revolving in the second orbit in Bohr's hydrogen atom.
Advertisements
उत्तर
The angular momentum of an electron revolving around the nucleus in a hydrogen atom is quantised and given by
`L = (nh)/(2pi)` For n = 2
`L = (2h)/(2pi) = h/pi = (6.6 xx 10^-34)/3.14`
= `2.10 xx 10^34` kg m2s-1
APPEARS IN
संबंधित प्रश्न
On the basis of Bohr's theory, derive an expression for the radius of the nth orbit of an electron of the hydrogen atom.
Draw energy level diagram for a hydrogen atom, showing the first four energy levels corresponding to n=1, 2, 3 and 4. Show transitions responsible for:
(i) Absorption spectrum of Lyman series.
(ii) The emission spectrum of the Balmer series.
For an electron in the second orbit of hydrogen, what is the moment of momentum as per the Bohr's model?
If the radius of first electron orbit in hydrogen atom be r then the radius of the fourth orbit ill be ______.
Hydrogen atom has only one electron, so mutual repulsion between electrons is absent. However, in multielectron atoms mutual repulsion between the electrons is significant. How does this affect the energy of an electron in the orbitals of the same principal quantum number in multielectron atoms?
The energy of an electron in hth orbit of hydrogen atom is –13.6/n2ev energy required to excite the electron from the first orbit to the third orbit is
Consider aiming a beam of free electrons towards free protons. When they scatter, an electron and a proton cannot combine to produce a H-atom ______.
- because of energy conservation.
- without simultaneously releasing energy in the from of radiation.
- because of momentum conservation.
- because of angular momentum conservation.
Using Bohr model, calculate the electric current created by the electron when the H-atom is in the ground state.
According to Bohr's theory, the radius of the nth Bohr orbit of a hydrogen like atom of atomic number Z is proportional to ______.
The figure below is the Energy level diagram for the Hydrogen atom. Study the transitions shown and answer the following question:
- State the type of spectrum obtained.
- Name the series of spectrum obtained.
