Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Engineering
  • Tell me? If the electron in the hydrogen atoms is excited to n = 5 state, the number of frequencies present in the radiation emitted is:

If the electron in the hydrogen atoms is excited to n = 5 state, the number of frequencies present in the radiation emitted is:

 

  • Option 1)

    4

  • Option 2)

    5

  • Option 3)

    8

  • Option 4)

    10

 

Answers (1)

 

Orbital Frequency of electron -

f= \frac{mz^{2}e^{4}}{4\epsilon_{0}^{2}n^{3}h^{3}}

 

- wherein

f\alpha \frac{Z^{2}}{h^{3}}

 

 Number of frequency emitted from nth orbital is

 \frac{n(n-1))}{2}

\because n=5

=> number of frequency emitted  =\frac{5\times 4}{2}

=10


Option 1)

4

Option is incorrect

Option 2)

5

Option is incorrect

Option 3)

8

Option is incorrect

Option 4)

10

Option is correct

Posted by

Vakul

View full answer

Similar Questions

Trending Articles/News

anam-khan

BITSAT 2024 application correction facility begins tomorrow; editable fields
anam-khan

BITSAT 2024 registration window closes tomorrow; exam from May 20
anam-khan

BITSAT 2024 registration deadline extended till April 16; session 1 exam from May 19 to 24

Latest Question