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  • In the lowest energy level of hydrogen atom, the electron has the angular momentum  Option: 1 <img alt="\mathrm{\pi/h }" src="https://ent

In the lowest energy level of hydrogen atom, the electron has the angular momentum
 

Option: 1

\mathrm{\pi/h }
 


Option: 2

\mathrm{h/\pi }


Option: 3

\mathrm{h/2\pi}


Option: 4

\mathrm{2\pi/h}


Answers (1)

best_answer

Angular momentum of electron in \mathrm{nth} orbit is given by

\mathrm{ m v r_n=\frac{n h}{2 \pi} }

In the lowest energy level, \mathrm{ n=1. }

\mathrm{ Then, \quad m v r_1=1\left(\frac{h}{2 \pi}\right)=\frac{h}{2 \pi} }

Hence option 3 is correct.

 

Posted by

rishi.raj

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