Physics CBSE Class 12 Sample Paper for 2023 Boards - Solution

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Question 30 - Physics CBSE Class 12 Sample Paper for 2023 Boards - Solution - Solutions to CBSE Sample Paper - Physics Class 12

Last updated at April 16, 2024 by

The ground state energy of hydrogen atom is -13.6 eV. The photon emitted during the transition of electron from n=3 to n=1 state, is incident on a photosensitive material of unknown work function .The photoelectrons are emitted from the material with the maximum kinetic energy of 9eV.Calculate the threshold wavelength of the material used.

 

Answer:

Question 30 -For a transition from n=3 class 12 - teachoo.jpg

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