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NEET UG PHYSICS MCQ: NUCLEI

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Understanding +4 | -1
Ionization power and penetration range of radioactive radiation increases in the order
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Correct option: B
γ,β,α\mathrm{\gamma },\mathrm{\beta },\mathrm{\alpha } and α,β,γ\mathrm{\alpha },\mathrm{\beta },\mathrm{\gamma } respectively
Option D (α,β,γ\mathrm{\alpha },\mathrm{\beta },\mathrm{\gamma } and γ,β,α\mathrm{\gamma },\mathrm{\beta },\mathrm{\alpha } respectively) is correct because alpha particles have the highest ionization power and lowest penetration range, while gamma rays have the lowest ionization power and highest penetration range.

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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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