Which of the following isotopes is normally fissionable ?
$_{92}{U^{238}}$
$_{93}N{p^{239}}$
$_{92}{U^{235}}$
$_{2}{He^{4}}$
(c) $_{92}{U^{235}}$ is normally fissionable.
Write the definitions of isotopes, isobar and isotone.
Which of the following particle has similar mass to electron
Mass numbers of two nuclei are in the ratio of $4: 3$. Their nuclear densities will be in the ratio of
Write and explain the Einstein theory of special relativity.
The neutron was discovered by
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