Physics
Why do we usually use isotopes emitting γ radiations as radioactive tracers in medical science?
Related Questions
Complete the following sentences:
(a) The mass number and atomic number of an element are not changed when it emits ……………
(b) The atomic number of a radioactive element is not changed when it emits ……………
(c) During the emission of a beta particle, the …………… number remains same.
Name the three constituents of an atom and state mass and charge of each. How are they distributed in an atom?