2. Questions Bank
  3. JEE Main & Advanced
  4. Physics
  5. Atomic Physics

JEE Main & Advanced Physics Atomic Physics Question Bank Self Evaluation Test - Atoms

  • question_answer
    Hydrogen atom is excited from ground state to another state with principal quantum number equal to 4. Then the number of spectral lines in the emission spectra will be:

    A)  2

    B)  3     

    C)  5

    D)  6

    Correct Answer: D

    Solution :

    [d] The possible number of the spectral lines is given \[=\frac{n\left( n-1 \right)}{2}=\frac{4\left( 4-1 \right)}{2}=6\]


You need to login to perform this action.
You will be redirected in 3 sec spinner