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Q.

What is the magnetic energy density (in terms of standard condition and r) at the centre of a circulating electron in the hydrogen atom in first orbit.(radius of the orbit is r) .


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a

Question Image

b

I=e2πr

c

I=ev4πr

d

None of these 

answer is A.

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Detailed Solution

Concept- We can try to implement the balanced condition, which is to travel a circular path while considering centripetal and electrostatic forces.
According to the Bohr atom model, the negatively charged electron circles in a circular orbit around the positively charged nucleus. The electrical force of attraction on the electron caused by the nucleus is known as the centripetal force.
Magnetic energy density is given by
Question ImageQuestion ImageQuestion ImageQuestion ImageHence, option 1 is correct.
 
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