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
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)`).
Write a general notation of the nucleus of element X. What each term denotes?
What is isotope? Give an example.
What is binding energy of a nucleus? Give its expression.
Give the physical meaning of binding energy per nucleon.
Explain the variation of average binding energy with the mass number using a graph and discuss about its features.
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.
