Proton and neutron both are stable

Neither neutron nor proton is stable

Short ranged attractive and charge independent

Short ranged attractive and charge dependent

Long ranged repulsive and charge independent

Long ranged repulsive and charge dependent

As compared C 12 atom, C 14 atom has

Two extra neutrons and no extra electrons

Two extra protons and two extra electrons

Two extra protons but no extra electrons

Two extra neutrons and two extra electrons

Physics - Nuclei - Quiz-6

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

0%
Electrons it contains
0%

Protons it contains
0%

Neutrons it contains
0%

Nucleons it contains

The rest energy of an electron is:

0%
510 KeV
0%
931 KeV
0%
510 MeV
0%
931 MeV

In ${}_{88}{Ra}_{226}$ nucleus, there are

0%
138 protons and 88 neutrons
0%

138 neutrons and 88 protons
0%

226 protons and 88 electrons
0%

226 neutrons and 138 electrons

Outside a nucleus

0%

Neutron is stable
0%

Proton and neutron both are stable
0%

Neutron is unstable
0%

Neither neutron nor proton is stable

Order of magnitude of density of uranium nucleus is ( $m_{P} = 1.67 \times 10^{- 27} kg$ )

0%
$10^{20} kg / m^{3}$
0%

$10^{17} kg / m^{3}$
0%

$10^{14} kg / m^{3}$
0%

$10^{11} kg / m^{3}$

Nucleus of an atom whose atomic mass is 24 consists of

0%
11 electrons, 11 protons and 13 neutrons
0%

11 electrons, 13 protons and 11 neutrons
0%

11 protons and 13 neutrons
0%

11 protons and 13 electrons

The mass of a neutron is very nearly the same as that of

0%

A proton
0%

A meson
0%

An epsilon
0%

An electron

The mass defect per nucleon is called

0%
Binding energy
0%

Packing fraction
0%

Ionisation energy
0%

Excitation energy

Nuclear forces are

0%

Short ranged attractive and charge independent
0%

Short ranged attractive and charge dependent
0%

Long ranged repulsive and charge independent
0%

Long ranged repulsive and charge dependent

Antiparticle of electron is

0%

${}_{0}n_{1}$
0%

${}_{1}H_{1}$
0%

Positron
0%

Neutrino

The binding energy per nucleon is maximum in the case of

0%
${}_{4}^{2}{He}$
0%

${}_{26}^{56}{Fe}$
0%

${}_{56}^{141}{Ba}$
0%

${}_{92}^{235}U$

Isotopes are atoms having

0%

Same number of protons but different number of neutrons
0%

Same number of neutrons but different number of protons
0%

Same number of protons and neutrons
0%

None of the above

The mass of an $α$ -particle is:

0%

less than the sum of masses of two protons and two neutrons.
0%

equal to mass of four protons.
0%

equal to mass of four neutrons .
0%

equal to the sum of masses of two protons and two neutrons.

Atomic number of a nucleus is Z and atomic mass is M. The number of neutron is

0%
M-Z
0%

M
0%

Z
0%

M+Z

The $α$ -particle is the nucleus of an atom of

0%
Neon
0%

Hydrogen
0%

Helium
0%

Deuterium

The force acting between proton and proton inside the nucleus is

0%

Coulombic
0%

Nuclear
0%

Both
0%

None of these

For a nucleus to be stable, the correct relation between neutron number N and Proton number Z is

0%
N > Z
0%

N = Z
0%

N < Z
0%

N $\geq$ Z

$M_{n}$ and $M_{P}$ represent mass of neutron and proton respectively. If an element having atomic mass M has N-neutron and Z-proton, then the correct relation will be

0%
$M < [{NM}_{n} + {ZM}_{p}]$
0%

$M > [{NM}_{n} + {ZM}_{p}]$
0%

$M = [{NM}_{n} + {ZM}_{p}]$
0%

$M = N [M_{n} + M_{p}]$

If a $H_{2}$ nucleus is completely converted into energy, the energy produced will be around

0%
1 MeV
0%

938 MeV
0%

9.38 MeV
0%

238 MeV

As compared ${}_{12}C$ atom, ${}_{14}C$ atom has

0%

Two extra protons and two extra electrons
0%

Two extra protons but no extra electrons
0%

Two extra neutrons and no extra electrons
0%

Two extra neutrons and two extra electrons

If m, $m_{n}$ and $m_{p}$ are the masses of ${}_{Z}X_{A}$ nucleus, neutron and proton respectively

0%

$m < (A - Z) m_{n} + {Zm}_{p}$
0%

$m = (A - Z) m_{n} + {Zm}_{p}$
0%

$m = (A - Z) m_{p} + {Zm}_{n}$
0%

$m > (A - Z) m_{n} + {Zm}_{p}$

On the bombardment of neutron with Boron. $α$ -particle is emitted and product nuclei formed is

0%

${}_{6}C_{{}_{12}}$
0%

${}_{3}{Li}_{6}$
0%

${}_{3}{Li}_{7}$
0%

${}_{4}{Be}_{9}$

The average kinetic energy of the thermal neutrons is of the order of

0%

0.03 eV
0%

3 eV
0%

3 KeV
0%

3 MeV

Which of the following isotopes is normally fissionable ?

0%
${}_{92}U_{238}$
0%

${}_{93}{Np}_{239}$
0%

${}_{92}U_{235}$
0%

${}_{2}{He}_{4}$

The process by which a heavy nucleus splits into light nuclei is known as

0%

Fission
0%

$α$ -decay
0%

Fusion
0%

Chain reaction

The explosion of the atomic bomb takes place due to

0%
Nuclear fission
0%

Nuclear fusion
0%

Scattering
0%

Thermionic emission

In nuclear reaction ${}_{2}^{4}{He} + {}_{Z}^{A}X \to {}_{Z + 2}^{A + 3}Y + B$ , B denotes

0%

Electron
0%

Positron
0%

Proton
0%

Neutron

Energy generation in stars is mainly due to

0%
Chemical reactions
0%

Fission of heavy nuclei
0%

Fusion of light nuclei
0%

Fusion of heavy nuclei

Fusion reaction is initiated with the help of

0%

Low temperature
0%

High temperature
0%

Neutrons
0%

Any particle

When a ${}_{4}^{9}{Be}$ atom is bombarded with $α$ particles, one of the product of nuclear transmutation is ${}_{6}^{12}C$ . The other is

0%

${}_{- 1}^{0}e$
0%

${}_{1}^{1}H$
0%

${}_{1}^{2}D$
0%

${}_{0}^{1}n$

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Practice Physics Quiz Questions and Answers

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Practice Physics Quiz Questions and Answers

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