मराठी

The radius of the nth orbit in the Bohr model of hydrogen is proportional to ______. - Physics

Advertisements
Advertisements

प्रश्न

The radius of the nth orbit in the Bohr model of hydrogen is proportional to ______.

पर्याय

  • `n^2`

  • `1/n^2`

  • n

  • `1/n`

MCQ
रिकाम्या जागा भरा
Advertisements

उत्तर

The radius of the nth orbit in the Bohr model of hydrogen is proportional to `underlinebb(n^2)`.

Explanation:

The radius of nth orbit is

`r_n = 0.53 xx n^2/ZÅ`

`r_n prop n^2`

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
2022-2023 (March) Delhi Set 1

व्हिडिओ ट्यूटोरियलVIEW ALL [2]

संबंधित प्रश्‍न

Obtain an expression for the radius of Bohr orbit for H-atom.


Find the frequency of revolution of an electron in Bohr’s 2nd orbit; if the radius and speed of electron in that orbit is 2.14 × 10-10 m and 1.09 × 106 m/s respectively. [π= 3.142]


The radius of the innermost electron orbit of a hydrogen atom is 5.3 × 10−11 m. What are the radii of the n = 2 and n = 3 orbits?


The gravitational attraction between electron and proton in a hydrogen atom is weaker than the Coulomb attraction by a factor of about 10−40. An alternative way of looking at this fact is to estimate the radius of the first Bohr orbit of a hydrogen atom if the electron and proton were bound by gravitational attraction. You will find the answer interesting.


Using Bohr's postulates, derive the expression for the total energy of the electron in the stationary states of the hydrogen atom ?


A beam of monochromatic light of wavelength λ ejects photoelectrons from a cesium surface (Φ = 1.9 eV). These photoelectrons are made to collide with hydrogen atoms in ground state. Find the maximum value of λ for which (a) hydrogen atoms may be ionized, (b) hydrogen atoms may get excited from the ground state to the first excited state and (c) the excited hydrogen atoms may emit visible light.


The spectral line obtained when an electron jumps from n = 5 to n = 2 level in hydrogen atom belongs to the ____________ series.


The wavelength of the first time line of Ballmer series is 6563 A°. The Rydberg constant for hydrogen is about:-


An ionised H-molecule consists of an electron and two protons. The protons are separated by a small distance of the order of angstrom. In the ground state ______.

  1. the electron would not move in circular orbits.
  2. the energy would be (2)4 times that of a H-atom.
  3. the electrons, orbit would go around the protons.
  4. the molecule will soon decay in a proton and a H-atom.

Find the angular momentum of an electron revolving in the second orbit in Bohr's hydrogen atom.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×