$1 a.m.u.$ is equivalent to
$1 a.m.u.$ is equivalent to
- A
$1.6 \times {10^{ - 12}}Joule$
- B
$1.6 \times {10^{ - 19}}Joule$
- C
$1.5\, \times {10^{ - 10}}Joule$
- D
$1.5 \times {10^{ - 19}}Joule$
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Mention the total charge of electron in the atom.
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The mass number of $He$ is $4$ and that for sulphur is $32.$ The radius of sulphur nucleus is larger than that of helium, by times
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- [AIPMT 1995]
A nucleus at rest splits into two nuclear parts having same density and the radii in the ratio $1 : 2$ . Their velocities are in ratio ———
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In helium nucleus, there are
In helium nucleus, there are