Assertion (A): Electrons in the atom are held due to coulomb forces. Reason(R): The atom is stable only because the centripetal force due to Coulomb's law is balanced by the centrifugal force.
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Both A and R are correct and R is a correct explanation of A Both A and R are correct and R is NOT a correct explanation of A A is true but R is false Both A and R are false |
A is true but R is false |
According to postulates of Bohr's atom model, the electron revolve round the nucleus in fixed orbit of definite radii. As long as the electron is in a certain orbits it does not radiate any energy. |