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According to Bohr's atomic theory, which...

According to Bohr's atomic theory, which of the following relations are correct-

A

kinetic energy of electron `propZ^(2)//n^(2)`

B

the product of velocity of electron and the principal quantum number `propZ^(2)`

C

Frequency of revolution of electron in an orbit `propZ^(2)//n^(3)`

D

coulombic force of attraction on electron `propZ^(2)//n^(4)`

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The correct Answer is:
A, C, D
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