Home
Class 12
PHYSICS
An electron is revolving around a nucleu...

An electron is revolving around a nucleus of hydrogen atom in the first orbit. The radius of this orbit is 0.53 A. Choose the correct option(s)

A

The radius of the first orbit of hydrogen-like atom `He^(+)` is `1.06 Å`

B

The radius of the first orbit of hydrogen-like atom `He^(+)` is` 0.265 Å`

C

The energy of the electron of hydrogen-like atom `He^(+)` in the first orbit is `-13 eV`

D

The energy of the electron of hydrogen-like atom `He^(+)` in the first orbit is `-54.4` eV

Text Solution

Verified by Experts

The correct Answer is:
B, D
Promotional Banner

Topper's Solved these Questions

  • HYDROGEN ATOM

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS (Linked Comprehension)|9 Videos
  • HYDROGEN ATOM

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS(Matrix - Match)|8 Videos
  • HYDROGEN ATOM

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS (Single Correct Choice Type)|51 Videos
  • HEAT-MEASUREMENT AND TRANSFER

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS( INTEGER TYPE)|5 Videos
  • INTERFERENCE AND DIFFRACTION

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS (Integer Type)|6 Videos

Similar Questions

Explore conceptually related problems

An electron revolves around the nucleus of an atom in a circular orbit of radius 4 Å with a speed of 5xx 10^(6)m//s . What is the angular momentum of the electron ? [ m_(e) = 9 xx 10^(-31) kg ].

The radius of first Bohr orbit in H-atom is 0.53 Å. The radius of third orbit is

Total energy possessed by an electron revolving around nucleus in an orbit of radius r is proportional to

The acceleration of electron in the first orbit of hydrogen atom is

" The electron revolves around the nucleus only the those orbits for which angular momentum is "

The angular speed of the electron in the first orbit in a hydrogen atom is

At what speed should the electron revolve around the nucleus of a hydrogen atom in order that it may not be pulled into the nucleus by electrostatic attraction ? Take the radius of orbit of an electron as 0.5Å , the mass of the electron as 9.1xx10^(-31) kg and charge as 1.6xx10^(-19)C .

The electron in first orbit of hydrogen with velocity 2.18 xx 10^(6) m//s . If the radius of first orbit is 0.53 Å, then orbital current is

Radius of first bohr's orbit of hydrogen atom is 0.53 A then the radius of 3^(rd) bohr orbit is :-