Atoms and Nuclei PYQs - Last 5 Years

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Practice 73 TS EAMCET Physics questions from Atoms and Nuclei. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.

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Last 5 Years Atoms and Nuclei Questions

Showing 23 of 73 filtered questions.

1Atoms And Nuclei

If an electron is moving in the 4th orbit of the hydrogen atom, then the angular momentum of the electron in SI unit is

2Atoms And Nuclei

If $F_1, F_2$ and $F_3$ are the relative strengths of the gravitational, the weak nuclear and the electromagnetic forces respectively, then

3Atoms And Nuclei

If $S$ is the surface area of a nucleus of mass number $A$, then

4Atoms And Nuclei

The energy equivalent to a mass of 1 kg is

5Atoms And Nuclei

In the following nuclear reaction $X$ is
\({ }_{13} \mathrm{Al}^{27}+{ }_2 \mathrm{He}^4 \longrightarrow{ }_0 n^1+X\)

6Atoms And Nuclei

If $F_1$ and $F_2$ are the relative strengths of the gravitational and weak nuclear forces respectively, then $F_2 / F_1$ is nearly

7Atoms And Nuclei

Nuclear fission and fusion can be explained on the basis of

8Atoms And Nuclei

The ratio of the energies of the electron in the hydrogen atom in the first and second excited states is

9Atoms And Nuclei

Which of the following statements is true?

10Atoms And Nuclei

Estimate the approximate volume of aluminium nucleus $(A=27)$, use $\binom{R_0 \simeq 1.0 \times 10^{-15} \mathrm{~m}}{\pi \simeq 3}$

11Atoms And Nuclei

The energy of an electron in the fourth excited state of the hydrogen atom is

12Atoms And Nuclei

Among the fundamental forces, which one of the following is the strongest force?

13Atoms And Nuclei

What will be the energy released in joule, in the process of fission by 1 mg of ${ }_{92}^{240} \mathrm{U}$. Assume energy release per fission is 200 MeV .
[use Avogadro's number as $6 \times 10^{23}$ and 1 eV $=1.6 \times 10^{-19} \mathrm{...

14Atoms And Nuclei

The shortest wavelength in Balmer series of hydrogen atom spectrum is approximately equal to (use $R_H=1.097 \times 10^7 \mathrm{~m}^{-1}$ )

15Atoms And Nuclei

The radius and mass number of nucleus 1 is $R_1$ and $A_1$, respectively. The radius and mass number of nucleus 2 is $R_2$ and $A_2$, respectively. If $A_2$ is larger than $A_1$ by $2 \%$, then $R_2$ is larger than $R_1$ by

16Atoms And Nuclei

The difference in the wavelength between the maximum and minimum of Balmer series (use $R_H=1 \times 10^7 \mathrm{~m}^{-1}$ )

17Atoms And Nuclei

What is the mass number of the nucleus having radius equal to $\frac{1}{3}$ of that of ${ }^{189} \mathrm{Os}$ ?

18Atoms And Nuclei

Considering the Bohr's model of hydrogen atom, the ratio of velocities of electrons orbiting in the 4th orbit to that in the 9 th orbit is

19Atoms And Nuclei

The range of the nuclear force is

20Atoms And Nuclei

As the mass number $A$ increases, which of the following quantities related to a nucleus does not change?

21Atoms And Nuclei

If the series limit frequency of Balmer series is $v_B$, then the series limit frequency of the Brackett series is

22Atoms And Nuclei

Which of the following interaction is responsible for beta decay?

23Atoms And Nuclei

Consider a nucleus ${ }_{30}^{60} \mathrm{X}$. Its approximate density is (take, $1 \mathrm{amu}=1.6 \times 10^{-27} \mathrm{~kg}, R_0=1.2 \times 10^{-15} \mathrm{~m}$ )