Sawaal
12
Q:

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) 6
C) 5 D) 3

Answer:   B) 6



Explanation:

Number of spectral lines from a state n to ground state is

 

                   n(n-1)/2 = 6

Subject: Physics
Exam Prep: AIEEE
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