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Nuclear Energy Free Doubts and Solutions

CBSE - XII Science - Physics - Nuclei

A heavy nucleus X of mass number 240 and binding energy per nucleon 7.6 MeV is split into two fragments Y and Z of mass numbers 110 and 130. The binding energy of nucleons in Y and Z is 8.5 MeV per nucleon. Calculate the energy Q released per fission in MeV.

Asked by Topperlearning User 2nd June 2015, 1:09 PM
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CBSE - XII Science - Physics - Nuclei

What is Q- value of a nuclear reaction?

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CBSE - XII Science - Physics - Nuclei

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 2nd June 2015, 9:11 AM
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CBSE - XII Science - Physics - Nuclei

Would the energy be release or needed for the following D - T reaction:

Syntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '.

to occur?

Given mSyntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '. = 2.014102 u

mSyntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '. = 3.016049 u

mSyntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '. = 4.002603 u

m Syntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '. = 1.008665 u and 1 u = 931 MeV/c2

Calculate the energy in MeV.

Asked by Topperlearning User 29th May 2015, 2:35 PM
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CBSE - XII Science - Physics - Nuclei

why is neutron so effective as a bombarding particle?

Asked by haider.samina 7th March 2015, 10:44 AM
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CBSE - XII Science - Physics - Nuclei

why an alpha particle but not a proton is emitted by radioactive nuclei?

Asked by haider.samina 7th March 2015, 10:39 AM
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CBSE - XII Science - Physics - Nuclei

Q.In a fusion/fission , the number of neutron and proton remains the same on both sides then how does mass converts into energy?

Asked by Ravi consul 4th March 2015, 6:44 PM
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CBSE - XII Science - Physics - Nuclei

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 9th July 2014, 12:48 PM
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CBSE - XII Science - Physics - Nuclei

A heavy nucleus X of mass number 240 and binding energy per nucleon 7.6 MeV is split into two fragments Y and Z of mass numbers 110 and 130. The binding energy of nucleons in Y and Z is 8.85 MeV per nucleon. Calculate the energy Q released per fission in MeV.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Physics - Nuclei

A nucleus undergoes decay and becomes . Calculate the maximum kinetic energy of electrons emitted assuming that the daughter nucleus and anti-neutrino carry negligible kinetic energy.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Physics - Nuclei

State the reason, why heavy water is generally used as a moderator in a nuclear reactor.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Physics - Nuclei

Draw a plot of potential energy of a pair of nucleons as a function of their separation. What is the significance of negative potential energy in the graph drawn?

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CBSE - XII Science - Physics - Nuclei

The binding energy per nucleon of the two nuclei A and B are 4 MeV and 8.2 MeV. Which of the two nuclei is more stable.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Physics - Nuclei

State the reason, why heavy water is generally used as a moderator in a nuclear reactor.

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CBSE - XII Science - Physics - Nuclei

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 4th June 2014, 1:23 PM
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CBSE - XII Science - Physics - Nuclei

Express 16mg mass into equivalent energy in electron volt?

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CBSE - XII Science - Physics - Nuclei

Why is nuclear fusion not possible in laboratory?

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CBSE - XII Science - Physics - Nuclei

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 4th June 2014, 1:23 PM
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