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  • In Bohr's atomic model of hydrogen, let K, P and E are the kinetic energy, potential energy and total energy of the electron respectively. Choose the correct option when the electron undergoes

In Bohr's atomic model of hydrogen, let K, P and E are the kinetic energy, potential energy and total energy of the electron respectively. Choose the correct option when the electron undergoes transitions to a higher level :

Option: 1

All K, P and E increase.


Option: 2

K decreases, P and E increase.


Option: 3

P decreases, K and E increase.


Option: 4

K increases, P and E decrease.


Answers (1)

best_answer

In Bohr's orbit,
\mathrm{T}.\mathrm{E}=-\mathrm{KE}=\frac{\mathrm{PE}}{2}

\mathrm{TE \;\text{in}\; n^{\text {th }} orbit =-13.6 \frac{z^{2}}{n^{2}} \mathrm{eV}}
As we go to higher level,
\mathrm{TE\; \&\;PE} increases whereas \mathrm{KE} decrease.
The correct option is (2)

Posted by

Ajit Kumar Dubey

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