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NEET UG PHYSICS MCQ: NUCLEI

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Analyzing +4 | -1
Assertion: 13H{ }_1^3 {H} isotope does not undergo fusion of the type 13H+12H→{ }_1^3 {H}+{ }_1^2 {H} \rightarrow as it is rarely found in nature.
Reason: 13H{ }_1^3 {H} has half life of >>12> >12 years.
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Correct option: B
If both Assertion and Reason are true, but Reason is not the correct explanation of Assertion
Option B (If both Assertion and Reason are true, but Reason is not the correct explanation of Assertion) is correct because while both statements are true, the half-life of Tritium doesn't directly explain why it's rarely involved in fusion reactions of the type mentioned.

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The ratio of the nuclear radii of elements with mass numbers 216\mathrm{216} and 125\mathrm{125} is In a hypothetical fission reaction

92X236→56Y141+36Z92+3R{ }_{92} X^{236} \rightarrow{ }_{56} Y^{141}+{ }_{36} Z^{92}+3 R

The identity of emitted particles (R)({R}) is: The radius of the nucleus of the atom with A=216 is (take R0  =1.3fm{R_0}\; = \mathrm{ }1.3fm) The correct sequence of the increasing wavelength of the given radiation sources is Which of the following nuclear fragments corresponding to nuclear fission between neutron (01n)\left({ }_0^1 \mathrm{n}\right) and uranium isotope (92235U)\left({ }_{92}^{235} \mathrm{U}\right) is correct: Which of the following has the mass closest in value to that of the positron
1  a.m.u=931  MeV1\,\,a.m.u = 931\,\,MeV
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