Physics · 2021
JEE Main · 4 August 2021, Shift 2 · Q2
For an electron orbiting around the nucleus in a hydrogen like atom with atomic number Z; T, U and E denote the kinetic, potential and total energy…
For an electron orbiting around the nucleus in a hydrogen like atom with atomic number Z; T, U and E denote the kinetic, potential and total energy respectively of the electron. Which of the following statements are valid in this context ?
(A)
T, U is same for all orbits
(B)
$\displaystyle \mathrm{T}+\mathrm{U}$ is same for all orbits
(C)
$\displaystyle 2 \mathrm{~T}+\mathrm{U}$ is same for all orbits
(D)
$\displaystyle \mathrm{E}+\mathrm{U}$ is same for all orbits
(E)
$\displaystyle \mathrm{E}+\mathrm{T}$ is same for all orbits
Choose the most appropriate answer from the options given below :
Official answer
(4)
(C) and (E) only
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.