Atomic number of a nucleus is $Z$ and atomic mass is $M.$ The number of neutron is
Atomic number of a nucleus is $Z$ and atomic mass is $M.$ The number of neutron is
- A
$M - Z$
- B
$M$
- C
$Z$
- D
$M + Z$
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Radius of $_2H{e^4}$ nucleus is $3 \,Fermi.$ The radius of $_{82}P{b^{206}}$ nucleus will be..........$fermi$
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In the following reaction $_{12}M{g^{24}}{ + _2}H{e^4}{ \to _{14}}S{i^X}{ + _0}{n^1},X$ is
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Assume that protons and neutrons have equal masses. Mass of a nucleon is $1.6 \times 10^{-27}\,kg$ and radius of nucleus is $1.5 \times 10^{-15} A ^{1 / 3}\,m$. The approximate ratio of the nuclear density and water density is $n \times 10^{13}$. The value of $n$ is $.................$
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- [JEE MAIN 2023]