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The energy of an electron moving in n^(t...

The energy of an electron moving in `n^(th)` Bohr's orbit of an element is given by `E_(n)=(-13.6)/n^(2)Z^(2)` eV/ atom (Z=atomic number). The graph of E vs. `Z^(2)` (keeping "n" constant) will be :

A

B

C

D

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The correct Answer is:
B
`y =- mx` plot
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