The nuclear reaction H12+H12He24 (mass of deuteron = 2.0141 a.m.u. and mass of He = 4.0024 a.m.u.) is

(1) Fusion reaction releasing 24 MeV energy

(2) Fusion reaction absorbing 24 MeV energy

(3) Fission reaction releasing 0.0258 MeV energy

(4) Fission reaction absorbing 0.0258 MeV energy

Subtopic:  Mass-Energy Equivalent |
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In the following reaction the value of ‘X’ is  
N714+He24X+H11

(1) N817             

(2) O817

(3) O716             

(4) N716

Subtopic:  Types of Decay |
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The binding energy of nucleus is a measure of its

(1) Charge             

(2) Mass

(3) Momentum       

(4) Stability

Subtopic:  Nuclear Binding Energy |
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Heavy water is

(1) Water at 4°C

(2) Compound of deuterium and oxygen

(3) Compound of heavy oxygen and heavy hydrogen

(4) Water in which soap does not lather

Subtopic:  Nuclear Energy |
 81%
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If M is the atomic mass and A is the mass number, packing fraction is given by:
(1) AM-A           

(2) A-MA
(3)MM-A            

(4) M-AA

Subtopic:  Mass-Energy Equivalent |
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Mp denotes the mass of a proton and Mn that of a neutron. A given nucleus of binding energy B contains Z protons and N neutrons. The mass M(N, Z) of the nucleus is given by:    (c is the velocity of light) 

(1) M(NZ)=NMn+ZMp-Bc2

(2) M(NZ)=NMn+ZMp+Bc2

(3) M(NZ)=NMn+ZMp-B/c2

(4) M(NZ)=NMn+ZMp+B/c2

Subtopic:  Nuclear Binding Energy |
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Complete the reaction
n+U92235Ba56144+...+3n

1. Kr3689      

2. Kr3690

3. Kr3691       

4. Kr3692

Subtopic:  Nuclear Energy |
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1 atomic mass unit is equal to 
(1) 125 (mass of F2 molecules)
(2) 114 (mass of N2 molecules)
(3) 112 (mass of one C-atom)
(4) 116 (mass of O2 molecules)

Subtopic:  Mass-Energy Equivalent |
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The nucleus U92234 splits exactly in half in a fission reaction in which two neutrons are released. The resultant nuclei are

(1) Pd46116        

(2) Rh45117

(3) Rh45116       

(4) Pd46117

Subtopic:  Radioactivity (OLD NCERT) |
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A nucleus is bombarded with a high speed neutron so that resulting nucleus is a radioactive one. This phenomenon is called 

(1) Artificial radioactivity         

(2) Fusion

(3) Fission                               

(4) Radioactivity

Subtopic:  Radioactivity (OLD NCERT) |
 52%
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