JEE AdvancedPhysicsAtoms and NucleiMultiple correct+4 / −2
A heavy nucleus N, at rest, undergoes fission N P + Q, where P and Q are two lighter nuclei. Let = MN MP MQ, where MP, MQ and MN are the masses of P, Q and N, respectively. EP and EQ are the kinetic energies of P and Q, respectively. The speeds of P and Q are vP and vQ, respectively. If c is the speed of light, which of the following statement(s) is(are) correct?
- A
- B
- C
- DThe magnitude of momentum for P as well Q is , where
More from Atoms and Nuclei
- A particle of mass m moves in circular orbits with potential energy V(r) = Fr, where F is a positive constant and r is its distance from the origin. Its energies are calculated using the Bohr model. If the radius of the particle’s orbit is…2020 · Multiple correct
- In an X-ray tube, electrons emitted from a filament (cathode) carrying current I hit a target (anode) at a distance d from the cathode. The target is kept at a potential V higher than the cathode resulting in emission of continuous and…2020 · Multiple correct
- In a radioactive sample, nuclei either decay into stable nuclei with decay constant 4.5 10-10 per year or into stable nuclei with decay constant 0.5 10-10 per year. Given…2019 · MCQ
- A free hydrogen atom after absorbing a photon of wavelength a gets excited from the state n = 1 to the state n = 4. Immediately after that the electron jumps to n = m state by emitting a photon of wavelength e. Let the…2019 · Multiple correct
- Suppose a nucleus at rest and in ground state undergoes -decay to a nucleus in its excited state. The kinetic energy of the emitted particle is found to be 4.44 MeV. nucleus…2019 · Numerical
- In a radioactive decay chain, nucleus decays to nucleus. Let and be the number of and particles, respectively, emitted in this decay process. Which of…2018 · Multiple correct
- Consider a hydrogen-like ionized atom with atomic number with a single electron. In the emission spectrum of this atom, the photon emitted in the to transition has energy higher than the photon emitted in the …2018 · Numerical
- An electron in a hydrogen atom undergoes a transition from an orbit with quantum number to another with quantum number . and are respectively the initial and final potential energies of the electron. If …2017 · Numerical