Advertisements
Advertisements
Question
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 ______.
Options
`("A" - "Z" - 4)/("Z" - 2)`
`("A" - "Z" - 2)/("Z" - 6)`
`("A" - "Z" - 4)/("Z" - 6)`
`("A" - "Z" - 12)/("Z" - 4)`
Advertisements
Solution
A radioactive nucleus (initial mass number A and atomic number Z) emits 2α and 2 positrons. The ratio of the number of neutrons to that of proton in the final nucleus will be `underline(("A" - "Z" - 2)/("Z" - 6))`.
APPEARS IN
RELATED QUESTIONS
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 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.
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.
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.
