Advertisements
Advertisements
प्रश्न
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)`).
पर्याय
`"N"_0/2`
`"N"_0/sqrt2`
`"N"_0/4`
`"N"_0/8`
Advertisements
उत्तर
`"N"_0/sqrt2`
APPEARS IN
संबंधित प्रश्न
Atomic number of H-like atom with ionization potential 122.4 V for n = 1 is ______.
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 ______.
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.
Define atomic mass unit u.
Calculate the energy equivalent of 1 atomic mass unit.
Explain the variation of average binding energy with the mass number using a graph and discuss about its features.
