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Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 29 - Atomic Structure > Hydrogen atoms are excited from ground state of the principle quantum number 4. Then, the number of spectral lines observed will be

Hydrogen atoms are excited from ground state of the principle quantum number 4. Then, the number of spectral lines observed will be

Hydrogen atoms are excited from ground state of the principle quantum number 4. Then the number of spectral lines observed will be