My Cart
Your Cart 0

    Your cart is empty.

  • Total (Amount) ₹0.00
Previous year question hub

Atoms & Nuclei PYQ - Modern Physics (Physics)

Practice Atoms and Nuclei PYQs for AP EAPCET Physics. 31 papers, 57 unique MCQs across 5 years. Year-wise previous year questions for mock test practice.

31Papers
5Years
57Questions
1Topics

Atoms And Nuclei question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Atoms And Nuclei. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Not classified 63 100%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

Multiple Choices 63 100%

Subject weightage

Top subjects by unique question coverage.

Physics
57 Qs

Most asked topics

Top topics across the included previous year papers.

Modern Physics
57 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Atoms And Nuclei
57 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

AP EAPCET 2025 21ST MAY EVENING SHIFT
3 Qs
AP EAPCET 2025 22ND MAY EVENING SHIFT
2 Qs
AP EAPCET 2025 22ND MAY MORNING SHIFT
2 Qs
AP EAPCET 2025 23RD MAY EVENING SHIFT
2 Qs
AP EAPCET 2025 23RD MAY MORNING SHIFT
2 Qs
AP EAPCET 2025 24TH MAY MORNING SHIFT
2 Qs
AP EAPCET 2025 26TH MAY EVENING SHIFT
2 Qs
AP EAPCET 2025 27TH MAY MORNING SHIFT
2 Qs
AP EAPCET 2025 21ST MAY MORNING SHIFT
1 Qs
AP EAPCET 2025 26TH MAY MORNING SHIFT
1 Qs
AP EAPCET 2024 20TH MAY EVENING SHIFT
3 Qs
AP EAPCET 2024 18TH MAY MORNING SHIFT
2 Qs
AP EAPCET 2024 19TH MAY EVENING SHIFT
2 Qs
AP EAPCET 2024 20TH MAY MORNING SHIFT
2 Qs
AP EAPCET 2024 21TH MAY EVENING SHIFT
2 Qs
AP EAPCET 2024 21TH MAY MORNING SHIFT
2 Qs
AP EAPCET 2024 22TH MAY EVENING SHIFT
2 Qs
AP EAPCET 2024 22TH MAY MORNING SHIFT
2 Qs
AP EAPCET 2024 23TH MAY MORNING SHIFT
2 Qs
AP EAPCET 2023 - 15th May Evening Shift
2 Qs
AP EAPCET 2023 - 15th May Evening Shift
2 Qs
AP EAPCET 2023 - 15th May Morning Shift
2 Qs
AP EAPCET 2023 - 15th May Morning Shift
2 Qs
AP EAPCET 2023 - 15th May Morning Shift
2 Qs
AP EAPCET 2022 5TH JULY MORNING SHIFT
3 Qs
AP EAPCET 2022 4TH JULY EVENING SHIFT
2 Qs
AP EAPCET 2022 4TH JULY MORNING SHIFT
2 Qs
AP EAPCET 2021 20TH AUGUST EVENING SHIFT
3 Qs
AP EAPCET 2021 19TH AUGUST EVENING SHIFT
2 Qs
AP EAPCET 2021 20TH AUGUST MORNING SHIFT
2 Qs
AP EAPCET 2021 19TH AUGUST MORNING SHIFT
1 Qs

Included previous year papers

Newest papers appear first. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
AP EAPCET 2025 21ST MAY EVENING SHIFT20253View paper
AP EAPCET 2025 21ST MAY MORNING SHIFT20251View paper
AP EAPCET 2025 22ND MAY EVENING SHIFT20252View paper
AP EAPCET 2025 22ND MAY MORNING SHIFT20252View paper
AP EAPCET 2025 23RD MAY EVENING SHIFT20252View paper
AP EAPCET 2025 23RD MAY MORNING SHIFT20252View paper
AP EAPCET 2025 24TH MAY MORNING SHIFT20252View paper
AP EAPCET 2025 26TH MAY EVENING SHIFT20252View paper
AP EAPCET 2025 26TH MAY MORNING SHIFT20251View paper
AP EAPCET 2025 27TH MAY MORNING SHIFT20252View paper
AP EAPCET 2024 18TH MAY MORNING SHIFT20242View paper
AP EAPCET 2024 19TH MAY EVENING SHIFT20242View paper
AP EAPCET 2024 20TH MAY EVENING SHIFT20243View paper
AP EAPCET 2024 20TH MAY MORNING SHIFT20242View paper
AP EAPCET 2024 21TH MAY EVENING SHIFT20242View paper
AP EAPCET 2024 21TH MAY MORNING SHIFT20242View paper
AP EAPCET 2024 22TH MAY EVENING SHIFT20242View paper
AP EAPCET 2024 22TH MAY MORNING SHIFT20242View paper
AP EAPCET 2024 23TH MAY MORNING SHIFT20242View paper
AP EAPCET 2023 - 15th May Evening Shift20232View paper
AP EAPCET 2023 - 15th May Evening Shift20232View paper
AP EAPCET 2023 - 15th May Morning Shift20232View paper
AP EAPCET 2023 - 15th May Morning Shift20232View paper
AP EAPCET 2023 - 15th May Morning Shift20232View paper
AP EAPCET 2022 4TH JULY EVENING SHIFT20222View paper
AP EAPCET 2022 4TH JULY MORNING SHIFT20222View paper
AP EAPCET 2022 5TH JULY MORNING SHIFT20223View paper
AP EAPCET 2021 19TH AUGUST EVENING SHIFT20212View paper
AP EAPCET 2021 19TH AUGUST MORNING SHIFT20211View paper
AP EAPCET 2021 20TH AUGUST EVENING SHIFT20213View paper
AP EAPCET 2021 20TH AUGUST MORNING SHIFT20212View paper

All Atoms And Nuclei previous year questions

Practice every matching question in batches of 20, with every available option.

1
2021 · Physics · Modern Physics · Atoms And Nuclei
AP EAPCET 2021 19TH AUGUST EVENING SHIFT

The ionisation potential of hydrogen atom is 13.6 V. How much energy need to be supplied to ionise the hydrogen atom in the first excited state?

A
13.6 eV
B
27.2 eV
C
3.4 eV
D
6.8 eV
Open complete paper
2
2021 · Physics · Modern Physics · Atoms And Nuclei
AP EAPCET 2021 19TH AUGUST EVENING SHIFT

Which of the following statement is correct?

A
The rest mass of the stable nucleus is less than the sum of the rest masses of its separated nucleons.
B
The rest mass of the stable nucleus is greater than the sum of the rest masses of its separated nucleons.
C
In nuclear fission energy is released by fusion of two nuclei of medium mass (approximate \(100 \mathrm{~amu}\) ).
D
In nuclear fission energy is released by fragmentation of very low atomic mass nucleus.
Open complete paper
3
2021 · Physics · Modern Physics · Atoms And Nuclei
AP EAPCET 2021 19TH AUGUST MORNING SHIFT

Potential energy between a proton and an electron is given by \(U=\frac{K e^2}{3 R^3}\), then radius of Bohr's orbit can be given by

A
\(\frac{K e^2 m}{h^2}\)
B
\(\frac{6 \pi^3 K e^2 m}{n^3 h^2}\)
C
\(\frac{2 \pi}{n} \frac{K e^2 m}{h^2}\)
D
\(\frac{4 \pi^2 K e^2 m}{n^3 h^2}\)
Open complete paper
4
2021 · Physics · Modern Physics · Atoms And Nuclei
AP EAPCET 2021 20TH AUGUST EVENING SHIFT

The shortest wavelength of X-rays emitted from an X-ray tube depends upon ........... .

A
nature of the gas in the tube
B
voltage applied to tube
C
current in the tube
D
nature of target of the tube
Open complete paper
5
2021 · Physics · Modern Physics · Atoms And Nuclei
AP EAPCET 2021 20TH AUGUST EVENING SHIFT

The wavelength of the first spectral line of the Lyman series of hydrogen spectrum is

A
912 \(\mathop A\limits^o\)
B
1215 \(\mathop A\limits^o\)
C
1512 \(\mathop A\limits^o\)
D
6563 \(\mathop A\limits^o\)
Open complete paper
6
2021 · Physics · Modern Physics · Atoms And Nuclei
AP EAPCET 2021 20TH AUGUST EVENING SHIFT

Which of the following nuclear reactions is possible?

A
\({ }_5 \mathrm{~B}^{10}+{ }_2 \mathrm{He}^4 \longrightarrow{ }_7 \mathrm{~N}^{13}+{ }_1 \mathrm{H}^1\)
B
\({ }_{11} \mathrm{Na}^{24}+{ }_1 \mathrm{H}^1 \longrightarrow{ }_{10} \mathrm{Ne}^{20}+{ }_2 \mathrm{He}^4\)
C
\({ }_{93} \mathrm{~Np}^{239} \longrightarrow{ }_{94} \mathrm{Pu}^{239}+\beta^{-}+\gamma^{-}\)
D
\({ }_7 \mathrm{~N}^{11}+{ }_1 \mathrm{H}^1 \longrightarrow{ }_6 \mathrm{C}^{12}+\beta^{-}+\gamma^{-}\)
Open complete paper
7
2021 · Physics · Modern Physics · Atoms And Nuclei
AP EAPCET 2021 20TH AUGUST MORNING SHIFT

The angular momentum of the orbital electron is integral multiple of

A
\(h\)
B
\(2\pi h\)
C
\(\frac{h}{2\pi}\)
D
\(3\pi h\)
Open complete paper
8
2021 · Physics · Modern Physics · Atoms And Nuclei
AP EAPCET 2021 20TH AUGUST MORNING SHIFT

Which of the following values is the correct order of nuclear density?

A
\(5 \times 10^5 \mathrm{~kgm}^{-3}\)
B
\(9 \times 10^{10} \mathrm{~kgm}^{-3}\)
C
\(3 \times 10^{21} \mathrm{~kgm}^{-3}\)
D
\(2 \times 10^{17} \mathrm{~kgm}^{-3}\)
Open complete paper
9
2022 · Physics · Modern Physics · Atoms And Nuclei
AP EAPCET 2022 4TH JULY EVENING SHIFT

A hydrogen atom at the ground level absorbs a photon and is excited n = 4 level. The potential energy of the electron in the excited state is

A
\(-\)0.85 eV
B
\(+\)0.85 eV
C
\(-\)1.7 eV
D
\(+\)1.7 eV
Open complete paper
10
2022 · Physics · Modern Physics · Atoms And Nuclei
AP EAPCET 2022 4TH JULY EVENING SHIFT

The radius of an atomic nucleus of mass number 64 is 4.8 fermi. Then the mass number of another atomic nucleus of radius 6 fermi is

A
64
B
81
C
100
D
125
Open complete paper
11
2022 · Physics · Modern Physics · Atoms And Nuclei
AP EAPCET 2022 4TH JULY MORNING SHIFT

The graph of \(\ln \left(\frac{R}{R_0}\right)\) versus $\ln A$ is where \(R\) is radius of a nucleus, \(A\) is its mass number, and \(R_0\) is constant

A
A straight line
B
A circle of radius R
C
A parabola
D
An ellipse
Open complete paper
12
2022 · Physics · Modern Physics · Atoms And Nuclei
AP EAPCET 2022 4TH JULY MORNING SHIFT

Energy of a stationary electron in the hydrogen atom is \(E=\frac{13.6}{n^2} \mathrm{~eV}\), then the energies required to excite the electron in hydrogen atom to (a) its second excited state and (b) ionised state, respectively.

A
(a) \(\sim 10 \mathrm{~eV}\) (b) 13.6 eV
B
(a) \(\sim 12 \mathrm{~eV}\), (b) 13.6 eV
C
(a) \(\sim 12 \mathrm{~eV}\), (b) 10.6 eV
D
(a) \(\sim 8 \mathrm{~eV}\), (b) 13.6 eV
Open complete paper
13
2022 · Physics · Modern Physics · Atoms And Nuclei
AP EAPCET 2022 5TH JULY MORNING SHIFT

Choose the correct statement of the following

A
The nuclear density in general, is independent of mass number A.
B
The radius of nucleus is directly proportional to the mass number of A of the nucleus.
C
The binding energy of a nucleus is inversely proportional to its mass defect.
D
Energy is observed when heavy nuclei undergo transmutation into light nuclei.
Open complete paper
14
2022 · Physics · Modern Physics · Atoms And Nuclei
AP EAPCET 2022 5TH JULY MORNING SHIFT

A ancient discovery found a sample, where \(75 \%\) of the original carbon (\(\mathrm{C}^{14}\)) remains. Then the age of the sample is \(\binom{T_{\frac{1}{2}}\left(C^{14}\right)=5730 \text { years, } \ln 0.5=-0.7}{\ln (0.75)=-0.3}\)

A
2300 years
B
2456 years
C
2546 years
D
3456 years
Open complete paper
15
2022 · Physics · Modern Physics · Atoms And Nuclei
AP EAPCET 2022 5TH JULY MORNING SHIFT

An electron in the hydrogen atom excites from 2nd orbit to 4th orbit then the change in angular momentum of the electron is (Planck's constant \(h=6.64 \times 10^{-34} \mathrm{~J}-\mathrm{s}\))

A
\(2.11 \times 10^{-34} \mathrm{~J}-\mathrm{s}\)
B
\(1.05 \times 10^{-34} \mathrm{~J}-\mathrm{s}\)
C
\(0.57 \times 10^{-34} \mathrm{~J}-\mathrm{s}\)
D
\(422 \times 10^{-34} \mathrm{~J}-\mathrm{s}\)
Open complete paper
16
2024 · Physics · Modern Physics · Atoms And Nuclei
AP EAPCET 2024 18TH MAY MORNING SHIFT
If the binding energy of the electron in a hydrogen atom is 13.6 eV . Then, energy required to remove electron from first excited state of $\mathrm{Li}^{2+}$ is
A
122.4 eV
B
3.4 eV
C
13.6 eV
D
30.6 eV
Open complete paper
17
2024 · Physics · Modern Physics · Atoms And Nuclei
AP EAPCET 2024 18TH MAY MORNING SHIFT
A mixture consists of two radioactive materials $A_1$ and $A_2$ with half lives of 20 s and 10 s respectively. Initially, the mixture has 40 g of $A_1$ and 160 g of $A_2$. The amount of the two in the mixture will become equal after
A
60 s
B
80 B
C
20 s
D
408
Open complete paper
18
2024 · Physics · Modern Physics · Atoms And Nuclei
AP EAPCET 2024 19TH MAY EVENING SHIFT
A hydrogen atom falls from $n$th higher energy orbit to first energy orbit $(n=1)$. The energy released is equal to 12.75 eV . The $n$th orbit is
A
$n=4$
B
$n=3$
C
$n=6$
D
$n=5$
Open complete paper
19
2024 · Physics · Modern Physics · Atoms And Nuclei
AP EAPCET 2024 19TH MAY EVENING SHIFT
The decrease in each day in the uranium mass of the material in a uranium reactor operating at a power of 12 MW is (Energy released in one ${ }_{92} \mathrm{U}^{235}$ fission is about 200 MeV )
A
$12.64 \times 10^{-2} \mathrm{~kg}$
B
$11.50 \times 10^{-2} \mathrm{~g}$
C
12.64 kg
D
12.64 g
Open complete paper
20
2024 · Physics · Modern Physics · Atoms And Nuclei
AP EAPCET 2024 20TH MAY EVENING SHIFT

The speed of the electron in a hydrogen atom in the $n=3$ level is

(Planck's constant $=6.6 \times 10^{-34} \mathrm{Js}$ )

A
$62 \times 10^5 \mathrm{~ms}^{-1}$
B
$3.7 \times 10^5 \mathrm{~ms}^{-1}$
C
$7.3 \times 10^5 \mathrm{~ms}^{-1}$
D
$1.6 \times 10^5 \mathrm{~ms}^{-1}$
Open complete paper

Showing 20 of 57 questions