Advertisements
Advertisements
प्रश्न
Calculate the energy equivalent of 1 atomic mass unit.
Advertisements
उत्तर
Using Einstein’s mass-energy equivalence, the energy equivalent of one atomic mass unit
1u = 1.66 × 10-27 × (3 × 108)2
= 14.94 × 10-11 J ≈ 931 MeV
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 ______.
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.
Define the ionization potential.
Write a general notation of the nucleus of element X. What each term denotes?
What is isotope? Give an example.
What is isobar? Give an example.
What is binding energy of a nucleus? Give its expression.
Show that the mass of radium \[\ce{^226_88Ra}\] with an activity of 1 curie is almost a gram. Given T1/2 = 1600 years.
