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
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 \[ ^1\mathrm{H}^2 + ^1\mathrm{H}^2 \rightarrow ^2\mathrm{He}^4 + Q \]
The ratio of the time periods of the revolution of the electrons in the second and third excited states of hydrogen atom is
Of the following, Bohr's atomic model is applicable to:
The ratio of the wavelengths of the first Lyman line and the second Balmer line of hydrogen atom is
Of the following, Bohr's atomic model is applicable to:
The ratio of the wavelengths of the first Lyman line and the second Balmer line of hydrogen atom is
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)
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
The surface areas of two nuclei are in the ratio \( 9:25 \). The mass numbers of the nuclei are in the ratio:
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:
The radius of the nucleus of an atom whose mass number is 125 is
If the speed of light was half the present value, the energy released in a nuclear reaction decreases by
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
The nucleus having highest binding energy per nucleon is
Among the following, the possible nuclear reaction is:
The following is not used as a nuclear fuel.
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
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
The working principle of atom bomb
The existence of neutrino emitted in the β-decay along with electron was predicted by
If radius of nucleus with mass number 64 is 4.8 fermi, find mass number of nucleus of radius 6 fermi.
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)
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: