NEET UG PHYSICS MCQ: NUCLEI

1 Medium

1 of 1

Remembering +4 | -1

M

is the atomic mass and

A

is the mass number, packing fraction is given by

View answer and explanation

Correct option: B

\frac{{M - A}}{A}

Option B is correct because the packing fraction is defined as the difference between the atomic mass (M) and the mass number (A), divided by the mass number (A).

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