Equivalent energy of mass equal to 1 a.m.u. is

(a) 931 KeV                (b) 931 eV
(c) 931 MeV                (d) 9.31 MeV

Concept Questions :-

Mass-energy equivalent

Difficulty Level:

The binding energies per nucleon for a deuteron and an particle are ${\mathrm{x}}_{1}$ and ${\mathrm{x}}_{2}$ respectively. What will be the energy Q released in the reaction ${}_{1}\mathrm{H}_{2}+{}_{1}\mathrm{H}_{2}\to {}_{2}\mathrm{He}_{4}+\mathrm{Q}$

(a) $4\left({\mathrm{x}}_{1}+{\mathrm{x}}_{2}\right)$             (b) $4\left({x}_{2}-{x}_{1}\right)$
(c) $2\left({\mathrm{x}}_{1}+{\mathrm{x}}_{2}\right)$             (d) $2\left({x}_{2}-{x}_{1}\right)$

Concept Questions :-

Nuclear binding energy
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

The mass number of a nucleus is equal to the number of

(a) Electrons it contains           (b) Protons it contains
(c) Neutrons it contains           (d) Nucleons it contains

Concept Questions :-

Mass-energy equivalent

Difficulty Level:

The rest energy of an electron is

(a) 510 KeV            (b) 931 KeV
(c) 510 MeV            (d) 931 MeV

Concept Questions :-

Mass-energy equivalent
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

In ${}_{88}\mathrm{Ra}_{226}$ nucleus, there are
(a) 138 protons and 88 neutrons
(b) 138 neutrons and 88 protons
(c) 226 protons and 88 electrons
(d) 226 neutrons and 138 electrons

Concept Questions :-

Mass-energy equivalent
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

Outside a nucleus
(a) Neutron is stable
(b) Proton and neutron both are stable
(c) Neutron is unstable
(d) Neither neutron nor proton is stable

Concept Questions :-

Mass-energy equivalent
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

Order of magnitude of density of uranium nucleus is ()
(a)            (b)
(c)            (d)

Concept Questions :-

Mass-energy equivalent
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

Radius of ${}_{2}{}^{4}\mathrm{He}$ nucleus is 3 Fermi. The radius of ${}_{82}{}^{206}\mathrm{Pb}$ nucleus will be
(a) 5 Fermi                 (b) 6 Fermi
(c) 11.16 Fermi           (d) 8 Fermi

Concept Questions :-

Mass-energy equivalent
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

Nucleus of an atom whose atomic mass is 24 consists of

(a) 11 electrons, 11 protons and 13 neutrons
(b) 11 electrons, 13 protons and 11 neutrons
(c) 11 protons and 13 neutrons
(d) 11 protons and 13 electrons

Concept Questions :-

Mass-energy equivalent
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

The mass of a neutron is the same as that of
(a) A proton                 (b) A meson
(c) An epsilon               (d) An electron

Concept Questions :-

Mass-energy equivalent