NEET UG PHYSICS MCQ: NUCLEI

1 Medium

1 of 1

Analyzing +4 | -1

A nucleus of uranium decays at rest into nuclei of thorium and helium. Then:

View answer and explanation

Correct option: B

The helium nucleus has more kinetic energy than the thorium nucleus

The helium nucleus has more kinetic energy than the thorium nucleus. This is due to conservation of momentum and the lighter mass of the helium nucleus.

More Questions from NUCLEI

Practice All Chapter MCQs →

The ratio of the nuclear radii of elements with mass numbers

\mathrm{216}

and

\mathrm{125}

is In a hypothetical fission reaction

{ }_{92} X^{236} \rightarrow{ }_{56} Y^{141}+{ }_{36} Z^{92}+3 R

The identity of emitted particles

({R})

is: The radius of the nucleus of the atom with A=216 is (take

{R_0}\; = \mathrm{ }1.3fm

) The correct sequence of the increasing wavelength of the given radiation sources is Which of the following nuclear fragments corresponding to nuclear fission between neutron

\left({ }_0^1 \mathrm{n}\right)

and uranium isotope

\left({ }_{92}^{235} \mathrm{U}\right)

is correct: Which of the following has the mass closest in value to that of the positron

1\,\,a.m.u = 931\,\,MeV