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CBSE Class 12-science Answered

Why is nuclear fusion not possible in laboratory?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
Nuclear fusion is not possible in laboratory as it is performed in high temperature. This cannot be attained in the laboratory.
Answered by | 04 Jun, 2014, 03:23: PM
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CBSE 12-science - Physics
Please answer this question. Draw a graph showing the variation of binding energy per nucleon as a function of mass number A. The binding energy per nucleon for heavy nuclei (A > 170) decreases with the increase in mass number. Explain.
Asked by varma.renu9481 | 06 Mar, 2023, 05:44: PM
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CBSE 12-science - Physics
Binding energies of 8O16 and 17Cl35 are 127.35 MeV and 289.3 MeV respectively. Which of the two nuclei are more stable?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 12-science - Physics
What is Q- value of a nuclear reaction?
Asked by Topperlearning User | 02 Jun, 2015, 01:03: PM
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CBSE 12-science - Physics
  A neutron is absorbed by a 3 LSyntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '. nucleus with subsequent emission of Syntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '. - particle Write the corresponding nuclear reaction. Calculate the energy released in this reaction. Given mass of 3 LSyntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '. = 6.015126 a.m.u. Mass of 2Syntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '.e = 4.000 26044 a.m.u. Mass of neutron begin mathsize 14px style open parentheses blank subscript 0 straight n with 1 on top close parentheses end style = 1.0086654 a.m.u. Mass of tritium Syntax error from line 1 column 58 to line 1 column 82. Unexpected '<mstyle '. = 3.016049 a.m.u.  
Asked by Topperlearning User | 02 Jun, 2015, 10:23: AM
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CBSE 12-science - Physics
Why is nuclear fusion not possible in laboratory?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT
CBSE 12-science - Physics
Express 16mg mass into equivalent energy in electron volt?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 12-science - Physics
Draw a curve between mass number and binding energy per nucleon. Give two salient features of the curve. Hence define binding energy?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 12-science - Physics
A nucleus Syntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '. undergoes β- decay and becomes Syntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '., Calculate the maximum kinetic energy of electrons emitted assuming that the daughter nucleus and anti- neutrino carry negligible kinetic energy. Syntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '.
Asked by Topperlearning User | 09 Jul, 2014, 12:48: PM
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CBSE 12-science - Physics
Calculate the amount of energy released during the a decay of Syntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '.   Atomic mass of Syntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '. = 238.05079 u Atomic mass of Syntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '. = 234.04363 u Atomic mass of Syntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '. = 4.00260 u 1u = 931.5 Me V/c2 Is this decay spontaneous? Give reason.
Asked by Topperlearning User | 02 Jun, 2015, 09:11: AM
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CBSE 12-science - Physics
State the reason, why heavy water is generally used as a moderator in a nuclear reactor.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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