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JEE-MAIN SERIES
Physics

Bohr S Model Of Hydrogen Atom

11 previous year questions.

Volume: 11 Ques
Yield: Medium

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1
2025
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Chapter Questions
11 MCQs

01
PYQ 2021
medium
physics ID: jee-main
In the given figure, the energy levels of hydrogen atom have been shown along with some transitions marked and . The transitions and respectively represent :
1
The ionization potential of hydrogen, second member of Balmer series and third member of Paschen series.
2
The first member of the Lyman series, third member of Balmer series and second member of Paschen series.
3
The series limit of Lyman series, third member of Balmer series and second member of Paschen series.
4
The series limit of Lyman series, second member of Balmer series and second member of Paschen series.
02
PYQ 2022
medium
physics ID: jee-main
Given below are two statements:
Statement I: In hydrogen atom, the frequency of radiation emitted when an electron jumps from lower energy orbit to higher energy orbit , is given as
Statement II: The jumping of electron from higher energy orbit to lower energy orbit is associated with frequency of radiation given as
This condition is Bohr’s frequency condition.
In the light of the above statements, choose the correct answer from the options given below:
1
Both statement I and statement II are true
2
Both statement I and statement II are false
3
Statement I is correct but statement II is false
4
Statement I is incorrect but statement II is true
03
PYQ 2023
hard
physics ID: jee-main
The wavelength of the radiation emitted is when an electron jumps from the second excited state to the first excited state of hydrogen atom If the electron jumps from the third excited state to the second orbit of the hydrogen atom, the wavelength of the radiation emitted will be The value of is
04
PYQ 2023
medium
physics ID: jee-main

If the binding energy of ground state electron in a hydrogen atom is , then, the energy required to remove the electron from the second excited state of will be : . The value of is

05
PYQ 2023
easy
physics ID: jee-main

For below transition of e–1 of H-atom find out shortest wavelength out of given transition 

1
A
2
B
3
C
4
D
06
PYQ 2023
medium
physics ID: jee-main
The velocity of an electron in the seventh orbit of hydrogen-like atom is 3.6 \times 106 m/s. Find the velocity of the electron in the 3rd orbit.
1

4.2 × 106 m/s

2

8.4 × 106 m/s

3

2.1 × 106 m/s

4

3.6 × 106 m/s

07
PYQ 2023
medium
physics ID: jee-main
radius of 2nd orbit of He+ of Bohr's model is r1 and that of fourth orbit of Be3+ is represented as r2. Now the ratio is x: 1. The value of x is___.
08
PYQ 2024
medium
physics ID: jee-main
An electron rotates in a circle around a nucleus having positive charge Ze. Correct relation between total energy (E) of electron to its potential energy (U) is:
1
E = 2U
2
2E = 3U
3
E = U
4
2E = U
09
PYQ 2024
easy
physics ID: jee-main

Theratio of the magnitude of the kinetic energy to the potential energy of an electron in the 5th excited state of a hydrogen atom is:

10
PYQ 2024
easy
physics ID: jee-main
A stationary hydrogen atom deexcites from first excited state to ground state. Find recoil speed of hydrogen atom up to nearest integer value.
(mass of hydrogen atom = )
11
PYQ 2025
medium
physics ID: jee-main
The frequency of revolution of the electron in Bohr’s orbit varies with , the principal quantum number as:
1

2

3

4

About Bohr S Model Of Hydrogen Atom - JEE-MAIN

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