The alpha particles emitted by radium have energies of `4.777MeV` and `4.600MeV`.What is the wavelength in pm of the gamma rays accompanying the decay? The difference in energies of alpha particle emitted out is equal to the energy of gamma rays.Report your answer to nearest integer.`(h=6.626times10^(-34)` Joule.sec,charg "]

A nucleus of mass 220 amu in the free state decays to emit an alpha -particle . Kinetic energy of the alpha -particle emitted is 5.4 MeV. The recoil energy of the daughter nucleus is

A nucleus of mass 218 amu in Free State decays to emit an alpha -particle. Kinetic energy of the beta- particle emitted is 6.7 MeV . The recoil energy (in MeV) of the daughter nucleus is

_83^212Bi decays as per following equation. _83^212Birarr_82^208Ti+_2^4He The kinetic energy of alpha -particle emitted is 6.802 MeV. Calculate the kinetic energy of Ti recoil atoms.

alpha -particles and gamma -rays are all having same energy . Their penetrating power in a given medium in increasing order will be

Nuclei X decay into nuclei Y by emitting alpha -aprticles. Energies of alpha -particle are found to be only 1 MeV & 1.4 MeV . Disregarding the recoil of nuclei Y . The energy of gamma photon emitted will be

Consider a particle , beta particle and gamma - rays , each having an energy of 0.5 MeV . In increase order of panetrating poewr , the radiation are .

The radionuclides .^(209)At and .^(209)Po emit alpha particles with energies of 5.65 and 4.88MeV. Respectively. Which nuclide has the longer half life?

An alpha- particle is describing a circle of radius 0.45 m in a field of magnetic induction of 1.2 T. Find its speed, frequency of rotation and kinetic energy. What potential difference will be required to accelerate the particle so as to give this much of the energy to it? The mass of alpha- particle is 6.8 xx 10^(-27) kg and its charge is twice the charge of proton, i.e., 3.2 xx 10^(-19) C .