Q.

The acceleration of electron in the first orbit of hydrogen atom is

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a

4π2mh3

b

h24π2mr

c

h24π2m2r3

d

m2h24π2r3

answer is C.

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Detailed Solution

In the first orbit, mvr =1.h2π⇒v=h2πmr∴       Acceleration =v2r=h24π2m2r3.
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