1
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1

Given below are two statements:

Statement I: The Balmer spectral line for H atom with lowest energy is located at $$\frac{5}{36} R_H \mathrm{~cm}^{-1}$$.

($$\mathrm{R}_{\mathrm{H}}=$$ Rydberg constant)

Statement II: When the temperature of blackbody increases, the maxima of the curve (intensity and wavelength) shifts to shorter wavelength.

In the light of the above statements, choose the correct 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 true
D
Both Statement I and Statement II are false
2
NEET 2024
MCQ (Single Correct Answer)
+4
-1

The energy of an electron in the ground state $$\mathrm{(n=1)}$$ for $$\mathrm{He}^{+}$$ ion is $$\mathrm{-x} \mathrm{~J}$$, then that for an electron in $$\mathrm{(n=2)}$$ state for $$\mathrm{Be}^{3+}$$ ion in $$\mathrm{J}$$ is

A
$$-x$$
B
$$-\frac{x}{9}$$
C
$$-4 x$$
D
$$-\frac{4}{9} x$$
3
NEET 2024
MCQ (Single Correct Answer)
+4
-1

Match List I with List II.

List I
(Quantum Number)
List II
(Information provided)
A. $$\mathrm{m_l}$$ I. Shape of orbital
B. $$\mathrm{m_s}$$ II. Size of orbital
C. I III. Orientation of orbital
D. n IV. Orientation of spin of electron

Choose the correct answer from the options given below :

A
A-I, B-III, C-II, D-IV
B
A-III, B-IV, C-I, D-II
C
A-III, B-IV, C-II, D-I
D
A-II, B-I, C-IV, D-III
4
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Change Language

Incorrect set of quantum numbers from the following is :

A
$$\mathrm{n}=4,1=3, \mathrm{~m}_1=-3,-2,-1,0,+1,+2,+3, \mathrm{~m}_{\mathrm{s}}=-1 / 2$$
B
$$\mathrm{n}=5,1=2, \mathrm{~m}_1=-2,-1,+1,+2, \mathrm{~m}_{\mathrm{s}}=+1 / 2$$
C
$$\mathrm{n}=4,1=2, \mathrm{~m}_1=-2,-1,0,+1,+2, \mathrm{m}_{\mathrm{s}}=-1 / 2$$
D
$$\mathrm{n}=5,1=3, \mathrm{~m}_1=-3,-2,-1,0,+1,+2,+3, \mathrm{m_s}=+1 / 2$$
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