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As the electron in the Bohr orbit is hyd...

As the electron in the Bohr orbit is hydrogen atom passes from state `n = 2` to `n = 1` , the `KE (K) and PE (U)` change as

A

K two-fold, U also two-fold

B

K four-fold, U also four-fold

C

K four-fold, U two-fold

D

K two-fold, U four-fold

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The correct Answer is:
B
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AAKASH SERIES-ATOMS-EXERCISE -III
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  16. An electron revolving in an orbit of radius 0.5 Å in a hydrogen atom e...

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  17. The radius of second Bohr’s orbit of Hydrogen atom is:

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