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Materials and Components

Q1: If v is velocity of electron, ε0 is absolute permittivity, m is mass of electron, e is charge on electron and r is the radius of orbit of electron in hydrogen atom, the stability of orbit requires the following equation to be satisfied

A

B

C

D

ANS:B -

Centrifugal force is equal to and coulomb force is equal to . For stability they must be equal.



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