Question

Angular momentum of electron in 2 ^ (nd) orbit of hydrogen atom is sqrt 2 ;; pi/2; 2 hbar 4 ħ​

Answer 1

Answer

C

π

h

​

 

Energy of electron in nth orbit of hydrogen atom

E  

n

​

=−  

n  

2

 

13.6

​

eV

⇒3.4=−  

n  

2

 

13.6

​

⇒n  

2

=4

or, n=2

Angular momentum of electron,

L=  

2π

nh

​

=  

2π

2h

​

=  

π

h

​

 

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