1
AP EAPCET 2024 - 21th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The energy of third orbit of $\mathrm{Li}^{2+}$ ion (in J ) is
2
AP EAPCET 2024 - 21th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The number of $d$ electrons in Fe is equal to which of the following?
(i) Total number of ' $s$ ' electrons of Mg .
(ii) Total number of ' $p$ ' electrons of Cl .
(iii) Total number of ' $p$ ' electrons of Ne .
The correct option is
3
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
If uncertainty in position and momentum of an electron are equal, then uncertainty in its velocity is
4
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The graph between variation of probability density. $\psi^2(r)$ and distance of the electron from the nucleus, $r$ is shown below. This represents
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