Question

Orbital acceleration of electron is
(a) $\frac{n^2h^2}{4\pi^2m^2r^3}$
(b) $\frac{n^2h^2}{2n^2r^3}$
(c) $\frac{4n^2h^2}{\pi^2m^2r^3}$
(d) $\frac{4n^2h^2}{4\pi^2m^2r^3}$

Answer 1

Answer:

Explanation:

From the Bohr's postulates,  

mvr=  

2π

nh

​

 

⟹v=  

2πmr

nh

​

 

Centripetal acceleration of electron =  

r

v  

2

 

​

=  

4π  

2

m  

2

r  

3

 

n  

2

h  

2

 

​