1
MHT CET 2023 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
If an electron in a hydrogen atom jumps from an orbit of level $$n=3$$ to orbit of level $$n=2$$, then the emitted radiation frequency is (where R = Rydberg's constant, C = Velocity of light)
2
MHT CET 2022 11th August Evening Shift
MCQ (Single Correct Answer)
+1
-0
Using Bohr's model, the orbital period of electron in hydrogen atom in the $$\mathrm{n}^{\text {th }}$$ orbit is $$\left(\varepsilon_0=\right.$$ permittivity of vacuum, $$\mathrm{h}=$$ Planck's constant, $$\mathrm{m}=$$ mass of electron, $$\mathrm{e}=$$ electronic charge)
3
MHT CET 2022 11th August Evening Shift
MCQ (Single Correct Answer)
+1
-0
The wave number of the last line of the Balmer series in hydrogen spectrum will be
(Rydberg's constant $$=10^7 \mathrm{~m}^{-1}$$ )
4
MHT CET 2021 24th September Evening Shift
MCQ (Single Correct Answer)
+1
-0
The half life of a radioactive substance is 30 minute. The time taken between 40% decay and 85% decay of the same radioactive substance is
Questions Asked from Atoms and Nuclei (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
MHT CET 2023 14th May Evening Shift (2)
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MHT CET 2023 9th May Evening Shift (2)
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MHT CET 2022 11th August Evening Shift (2)
MHT CET 2021 24th September Evening Shift (2)
MHT CET 2021 24th September Morning Shift (2)
MHT CET 2021 23rd September Evening Shift (1)
MHT CET 2021 23th September Morning Shift (3)
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MHT CET 2020 19th October Evening Shift (2)
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MHT CET 2020 16th October Morning Shift (3)
MHT CET 2019 2nd May Morning Shift (3)
MHT CET Subjects
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