1
MHT CET 2023 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the radius of fourth orbit of $$\mathrm{Be}^{+++}$$ ?

A
$$211.6 \mathrm{~pm}$$
B
$$158.7 \mathrm{~pm}$$
C
$$52.9 \mathrm{~pm}$$
D
$$13.2 \mathrm{~pm}$$
2
MHT CET 2023 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is angular momentum of an electron in fourth orbit of hydrogen atom?

A
$$\frac{\mathrm{h}}{2 \pi}$$
B
$$\frac{\mathrm{h}}{\pi}$$
C
$$\frac{2 \mathrm{~h}}{\pi}$$
D
$$\frac{3 \mathrm{~h}}{\pi}$$
3
MHT CET 2023 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following species is NOT isoelectronic with neon?

A
$$\mathrm{O}^{2-}$$
B
$$\mathrm{Na}$$
C
$$\mathrm{Mg}^{2+}$$
D
$$\mathrm{Al}^{3+}$$
4
MHT CET 2023 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the physical quantity that is measured in Candela.

A
Energy
B
Work
C
Force
D
Luminous intensity
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