Order of magnitude of density of uranium nucleus is (mP=1.67×10-27 kg)
(1) 1020 kg/m3           

(2) 1017 kg/m3

(3) 1014 kg/m3           

(4) 1011 kg/m3

Subtopic:  Mass-Energy Equivalent |
 78%
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Nucleus of an atom whose atomic mass is 24 consists of

(1) 11 electrons, 11 protons and 13 neutrons

(2) 11 electrons, 13 protons and 11 neutrons

(3) 11 protons and 13 neutrons

(4) 11 protons and 13 electrons

Subtopic:  Mass-Energy Equivalent |
 60%
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The mass of a neutron is very nearly the same as that of 

(1) A proton                 

(2) A meson

(3) An epsilon               

(4) An electron

Subtopic:  Mass-Energy Equivalent |
 79%
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The mass defect per nucleon is called

(1) Binding energy             

(2) Packing fraction

(3) Ionisation energy         

(4) Excitation energy

Subtopic:  Mass-Energy Equivalent |
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Nuclear forces are

(1) Short ranged attractive and charge independent

(2) Short ranged attractive and charge dependent

(3) Long ranged repulsive and charge independent

(4) Long ranged repulsive and charge dependent

Subtopic:  Nuclear Binding Energy |
 80%
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Antiparticle of electron is

1. n10               

2. H11

3. Positron       

4. Neutrino

Subtopic:  Mass-Energy Equivalent |
 74%
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The binding energy per nucleon is maximum in the case of

(1) He42                 

(2) Fe2656

(3) Ba56141               

(4) U92235

Subtopic:  Nuclear Binding Energy |
 70%
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Isotopes are atoms having 

1. Same number of protons but different number of neutrons

2. Same number of neutrons but different number of protons

3. Same number of protons and neutrons

4. None of the above

Subtopic:  Mass-Energy Equivalent |
 84%
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The mass of an α-particle is:

1. less than the sum of masses of two protons and two neutrons.
2. equal to the mass of four protons.
3. equal to the mass of four neutrons.
4. equal to the sum of masses of two protons and two neutrons.
Subtopic:  Nuclear Binding Energy |
 57%
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Atomic number of a nucleus is Z and atomic mass is M. The number of neutron is

(1) M-Z           

(2) M

(3) Z               

(4) M+Z 

Subtopic:  Mass-Energy Equivalent |
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