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1
JEE Main 2024 (Online) 30th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements :

Statement (I) : The orbitals having same energy are called as degenerate orbitals.

Statement (II) : In hydrogen atom, 3p and 3d orbitals are not degenerate orbitals.

In the light of the above statements, choose the most appropriate answer from the options given below :

A
Statement I is true but Statement II is false
B
Statement I is false but Statement II is true
C
Both Statement I and Statement II are false
D
Both Statement I and Statement II are true
2
JEE Main 2024 (Online) 29th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List I with List II

List - I
(Spectral Series for Hydrogen)		 List - II
(Spectral Region/Higher Energy State)
(A) Lyman (I) Infrared region
(B) Balmer (II) UV region
(C) Paschen (III) Infrared region
(D) Pfund (IV) Visible region

Choose the correct answer from the options given below:

A
A-II, B-IV, C-III, D-I
B
A-I, B-III, C-II, D-IV
C
A-II, B-III, C-I, D-IV
D
A-I, B-II, C-III, D-IV
3
JEE Main 2024 (Online) 29th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The correct set of four quantum numbers for the valence electron of rubidium atom $$(\mathrm{Z}=37)$$ is :

A
$$5,1,1,+\frac{1}{2}$$
B
$$5,0,0,+\frac{1}{2}$$
C
$$5,0,1,+\frac{1}{2}$$
D
$$5,1,0,+\frac{1}{2}$$
4
JEE Main 2023 (Online) 15th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Given below are two statements:

Statement I : According to Bohr's model of hydrogen atom, the angular momentum of an electron in a given stationary state is quantised.

Statement II : The concept of electron in Bohr's orbit, violates the Heisenberg uncertainty principle.

In the light of the above statements, choose the most appropriate answer from the options given below:
A
Both Statement I and Statement II are incorrect
B
Statement I is correct but Statement II is incorrect
C
Both Statement I and Statement II are correct
D
Statement I is incorrect but Statement II is correct
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