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1
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Find the radius of fourth orbit of hydrogen atom if its radius of first orbit is $$\mathrm{R}$$ pm.

A
R pm
B
4 R pm
C
9 R pm
D
16 R pm
2
MHT CET 2023 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which from following coloured light has the highest energy?

A
Red
B
Blue
C
Yellow
D
Violet
3
MHT CET 2023 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the radius of the fourth orbit of hydrogen atom?

A
$$846.4 \mathrm{~pm}$$
B
$$211.6 \mathrm{~pm}$$
C
$$476.1 \mathrm{~pm}$$
D
$$1322.5 \mathrm{~pm}$$
4
MHT CET 2023 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the frequency of blue light having wavelength $$440 \mathrm{~nm}$$.

A
$$6.82 \times 10^{14} \mathrm{~Hz}$$
B
$$7.5 \times 10^{14} \mathrm{~Hz}$$
C
$$4.0 \times 10^{14} \mathrm{~Hz}$$
D
$$5.26 \times 10^{14} \mathrm{~Hz}$$
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