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1
MHT CET 2024 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following equations gives angular momentum of an electron in a stationary orbit?

A
$\mathrm{mvr}=\frac{2 \pi}{\mathrm{~h}} \times \mathrm{n}$
B
$\mathrm{mvr}=\mathrm{n} \times \frac{\mathrm{h}}{2 \pi}$
C
$\mathrm{mvh}=\mathrm{n} \times \frac{\mathrm{r}}{2 \pi}$
D
$\mathrm{mv}=\left(\frac{\mathrm{h} \times \mathrm{r}}{2 \pi}\right) \mathrm{n}$
2
MHT CET 2024 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the wave number of lowest transition associated with Lyman series?

A
$\bar{v}=\mathrm{R}_{\mathrm{H}}\left(\frac{3}{4}\right)$
B
$\bar{v}=\mathrm{R}_{\mathrm{H}}\left(\frac{5}{36}\right)$
C
$\bar{v}=\mathrm{R}_{\mathrm{H}}\left(\frac{4}{3}\right)$
D
$\bar{v}=\mathrm{R}_{\mathrm{H}}\left(\frac{36}{5}\right)$
3
MHT CET 2024 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following orbitals is represented by $\mathrm{n}=3$ and $l=2$ ?

A
3s
B
3p
C
3d
D
3f
4
MHT CET 2024 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the frequency of violet light having wavelength 400 nm ?

A
$3.0 \times 10^{14} \mathrm{~Hz}$
B
$4.0 \times 10^{14} \mathrm{~Hz}$
C
$7.5 \times 10^{14} \mathrm{~Hz}$
D
$9.0 \times 10^{14} \mathrm{~Hz}$
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