Advertisements
Advertisements
प्रश्न
Define atomic mass unit u.
Advertisements
उत्तर
One atomic mass unit (u) is defined as the 1/12th of the mass of the isotope of carbon \[\ce{^12_6C}\].
APPEARS IN
संबंधित प्रश्न
The mass of a \[\ce{^7_3Li}\] nucleus is 0.042 u less than the sum of the masses of all its nucleons. The binding energy per nucleon of \[\ce{^7_3Li}\] nucleus is nearly ______.
Mp denotes the mass of the proton and Mn denotes mass of a neutron. A given nucleus of binding energy B, contains Z protons and N neutrons. The mass M (N, Z) of the nucleus is given by(where c is the speed of light)
A radioactive nucleus (initial mass number A and atomic number Z) emits 2α and 2 positrons. The ratio of a number of neutrons to that of protons in the final nucleus will be ______.
A radiative element has N0 number of nuclei at t = 0. The number of nuclei remaining after half of a half-life (that is, at time t = `1/2 "T" _(1/2)`).
Define the ionization energy.
What is isotone? Give an example.
What is isobar? Give an example.
What is binding energy of a nucleus? Give its expression.
Calculate the energy equivalent of 1 atomic mass unit.
Show that the mass of radium \[\ce{^226_88Ra}\] with an activity of 1 curie is almost a gram. Given T1/2 = 1600 years.
