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 nucleus is approximately spherical in shape. Then the surface area of nucleus having mass number A varies as ______.
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 potential.
Write a general notation of the nucleus of element X. What each term denotes?
What is isotope? Give an example.
What is isotone? Give an example.
Calculate the mass defect and the binding energy per nucleon of the \[\ce{^108_47Ag}\] nucleus. [atomic mass of Ag = 107.905949].
Show that the mass of radium \[\ce{^226_88Ra}\] with an activity of 1 curie is almost a gram. Given T1/2 = 1600 years.
