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

(1) Proton         

(2) Electron

(3) Photon         

(4) Neutrino


(1 amu = 931 MeV)

Subtopic:  Nuclear Binding Energy |
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Size of nucleus is of the order of

(1) 10-10 m            

(2) 10-15 m

(3) 10-12 m             

(4) 10-19 m

Subtopic:  Mass-Energy Equivalent |
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For effective nuclear forces, the distance should be

(1) 10-10 m         

(2) 10-13 m

(3) 10-15 m         

(4) 10-20 m

Subtopic:  Nuclear Binding Energy |
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The masses of neutron and proton are 1.0087 a.m.u. and 1.0073 a.m.u. respectively. If the neutrons and protons combine to form a helium nucleus (alpha particle) of mass 4.0015 a.m.u. The binding energy of the helium nucleus will be (1 a.m.u.= 931 MeV) :

(1) 28.4 MeV               

(2) 20.8 MeV

(3) 27.3 MeV               

(4) 14.2 MeV

Subtopic:  Nuclear Binding Energy |
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Atomic power station at Tarapore has a generating capacity of 200 MW. The energy generated in a day by this station is

(1) 200 MW               

(2) 200 J

(3) 4800×106 J          

(4) 1728×1010 J

Subtopic:  Nuclear Energy |
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One nanogram of matter converted into energy will give- 

(1) 90 J                     

(2) 9×103 J 

(3) 9×1010 J            

(4) \(9\times 10^{4}~J\)

Subtopic:  Mass-Energy Equivalent |
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The binding energy of deuteron H12 is 1.112 MeV per nucleon and an α-particle He24 has a binding energy of 7.047 MeV per nucleon. Then in the fusion reaction H12+H12He24+Q, the energy Q released is

(1) 1 MeV             

(2) 11.9 MeV

(3) 23.8 MeV         

(4) 931 MeV

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Binding energy of a nucleus is:
(1) Energy given to its nucleus during its formation

(2) Total mass of nucleus converted to energy units

(3) Loss of energy from the nucleus during its formation

(4) Total K.E. and P.E. of the nucleons in the nucleus

Subtopic:  Nuclear Binding Energy |
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Which of the following pairs is an isobar 

(1) H11 and H21               

(2) H21 and H31

(3) C126 and C136              

(4) P3015 and Si3014

Subtopic:  Mass-Energy Equivalent |
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Equivalent energy of mass equal to 1 a.m.u. is

(1) 931 KeV               

(2) 931 eV

(3) 931 MeV               

(4) 9.31 MeV

Subtopic:  Mass-Energy Equivalent |
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