$1 a.m.u.$ is equivalent to
$1.6 \times {10^{ - 12}}Joule$
$1.6 \times {10^{ - 19}}Joule$
$1.5\, \times {10^{ - 10}}Joule$
$1.5 \times {10^{ - 19}}Joule$
Radius of $_2H{e^4}$ nucleus is $3 \,Fermi.$ The radius of $_{82}P{b^{206}}$ nucleus will be..........$fermi$
In a nuclear reaction, which of the following is conserved
The nuclei ${ }_{6} C^{13}$ and ${ }_{7} N^{14}$ can be described as
Ratio of nuclear radii of ${ }^{135} Cs$ to ${ }^{40} Ca$ is
Which of the following isotopes is normally fissionable ?