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Andhra Pradesh Engi Agriculture & Pharmacy CET
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Physics
List of top Physics Questions on Nuclear physics asked in Andhra Pradesh Engi Agriculture & Pharmacy CET
If an electron in the excited state falls to ground state, a photon of energy 5 eV is emitted, then the wavelength of the photon is nearly
AP EAPCET - 2025
AP EAPCET
Physics
Nuclear physics
If the binding energy per nucleon of deuteron (\( ^1\mathrm{H}^2 \)) is 1.15 MeV and an \(\alpha\)-particle has a binding energy of 7.1 MeV per nucleon, then the energy released per nucleon in the given reaction is
\[ ^1\mathrm{H}^2 + ^1\mathrm{H}^2 \rightarrow ^2\mathrm{He}^4 + Q \]
AP EAPCET - 2025
AP EAPCET
Physics
Nuclear physics
The ratio of the time periods of the revolution of the electrons in the second and third excited states of hydrogen atom is
AP EAPCET - 2025
AP EAPCET
Physics
Nuclear physics
Of the following, Bohr's atomic model is applicable to:
AP EAPCET - 2025
AP EAPCET
Physics
Nuclear physics
The ratio of the wavelengths of the first Lyman line and the second Balmer line of hydrogen atom is
AP EAPCET - 2025
AP EAPCET
Physics
Nuclear physics
Of the following, Bohr's atomic model is applicable to:
AP EAPCET - 2025
AP EAPCET
Physics
Nuclear physics
The ratio of the wavelengths of the first Lyman line and the second Balmer line of hydrogen atom is
AP EAPCET - 2025
AP EAPCET
Physics
Nuclear physics
The difference between the frequencies of the first and second Lyman lines of hydrogen atom is (R - Rydberg constant and c - speed of light in vacuum)
AP EAPCET - 2025
AP EAPCET
Physics
Nuclear physics
If the mean life of a radioactive substance is 12 minutes, then the time (in minutes) at which the fraction of atoms disintegrated becomes $\frac{e^2 - 1}{e^2}$ is
AP EAPCET - 2025
AP EAPCET
Physics
Nuclear physics
The surface areas of two nuclei are in the ratio \( 9:25 \). The mass numbers of the nuclei are in the ratio:
AP EAPCET - 2024
AP EAPCET
Physics
Nuclear physics
A nucleus with atomic mass number \( A \) produces another nucleus by losing 2 alpha particles. The volume of the new nucleus is 60 times that of the alpha particle. The atomic mass number \( A \) of the original nucleus is:
AP EAPCET - 2024
AP EAPCET
Physics
Nuclear physics
The radius of the nucleus of an atom whose mass number is 125 is
AP EAPCET - 2023
AP EAPCET
Physics
Nuclear physics
If the speed of light was half the present value, the energy released in a nuclear reaction decreases by
AP EAPCET - 2023
AP EAPCET
Physics
Nuclear physics
An alpha particle of energy \( K \, \text{MeV} \) is moving towards a nucleus of atomic number \( Z \). The distance of closest approach of the alpha particle to the nucleus in meters is
AP EAPCET - 2023
AP EAPCET
Physics
Nuclear physics
The nucleus having highest binding energy per nucleon is
AP EAPCET - 2023
AP EAPCET
Physics
Nuclear physics
Among the following, the possible nuclear reaction is:
AP EAPCET - 2023
AP EAPCET
Physics
Nuclear physics
The following is not used as a nuclear fuel.
AP EAPCET - 2023
AP EAPCET
Physics
Nuclear physics
A radioactive material whose half life period is 2 years weighs 1 g and is stored in the laboratory for 4 years. Then the amount of remaining radioactive material is
AP EAPCET - 2023
AP EAPCET
Physics
Nuclear physics
The distance of closest approach of an alpha particle to a nucleus when the alpha particle moves towards the nucleus with linear momentum P is d. The distance of closest approach of alpha particle to nucleus, if the linear momentum of the alpha particle is 1.5 P
AP EAPCET - 2023
AP EAPCET
Physics
Nuclear physics
The working principle of atom bomb
AP EAPCET - 2023
AP EAPCET
Physics
Nuclear physics
The existence of neutrino emitted in the β-decay along with electron was predicted by
AP EAPCET - 2023
AP EAPCET
Physics
Nuclear physics
If radius of nucleus with mass number 64 is 4.8 fermi, find mass number of nucleus of radius 6 fermi.
AP EAPCET - 2022
AP EAPCET
Physics
Nuclear physics
The average number of photons emitted per second by a laser of power \(6.6 \times 10^{-3}\) W producing a light of wavelength 600 nm is (Planck’s constant, \(h = 6.6 \times 10^{-34}\) J·s)
AP EAPCET - 2022
AP EAPCET
Physics
Nuclear physics
The graph of \( \ln \left( \frac{R}{R_0} \right) \) versus \( \ln A \), where \( R \) is the radius of a nucleus, \( A \) its mass number, and \( R_0 \) a constant, is:
AP EAPCET - 2022
AP EAPCET
Physics
Nuclear physics