Radioactivity
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NEET DIGITAL LIBRARY
PHXII13:NUCLEI

363957 In a reaction \(_{92}B{e^{234}}{ \to _{88}}{Y^{218}}\), the number of \(\alpha \,\) and \(\beta \) particles emitted are

1 \(4,\,\,4\)
2 \(1,\,\,6\)
3 \(4,\,\,8\)
4 \(4,\,\,2\)
PHXII13:NUCLEI

363958 After \(1\alpha \) and \(2\beta \) emissions

1 Mass number reduce by 4
2 Mass number reduce by 3
3 Mass number reduce by 2
4 Mass number reduce by 6
PHXII13:NUCLEI

363959 In \(\alpha \)- decay which of these are true?
I.
\(_2^4He\) is emitted.
II.
Mass number of daughter nucleus decreases by 4.
III.
Atomic number of daughter nucleus decreases by 2
IV.
\(_2^4He\) is electrically neutral.

1 I and II
2 I, II and IV
3 I, II and III
4 I, II, III and IV
PHXII13:NUCLEI

363960 The particle \(A\) is converted to \(C\) via following reactions then
\(A \to B + {}_2H{e^4}\)
\(B \to C + {2_{ - 1}}{e^0}\)

1 \(A\) and \(C\) are isobars
2 \(A\) and \(C\) are isotopes
3 \(A\) and \(B\) are isobars
4 \(A\) and \(B\) are isotopes
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PHXII13:NUCLEI

363957 In a reaction \(_{92}B{e^{234}}{ \to _{88}}{Y^{218}}\), the number of \(\alpha \,\) and \(\beta \) particles emitted are

1 \(4,\,\,4\)
2 \(1,\,\,6\)
3 \(4,\,\,8\)
4 \(4,\,\,2\)
PHXII13:NUCLEI

363958 After \(1\alpha \) and \(2\beta \) emissions

1 Mass number reduce by 4
2 Mass number reduce by 3
3 Mass number reduce by 2
4 Mass number reduce by 6
PHXII13:NUCLEI

363959 In \(\alpha \)- decay which of these are true?
I.
\(_2^4He\) is emitted.
II.
Mass number of daughter nucleus decreases by 4.
III.
Atomic number of daughter nucleus decreases by 2
IV.
\(_2^4He\) is electrically neutral.

1 I and II
2 I, II and IV
3 I, II and III
4 I, II, III and IV
PHXII13:NUCLEI

363960 The particle \(A\) is converted to \(C\) via following reactions then
\(A \to B + {}_2H{e^4}\)
\(B \to C + {2_{ - 1}}{e^0}\)

1 \(A\) and \(C\) are isobars
2 \(A\) and \(C\) are isotopes
3 \(A\) and \(B\) are isobars
4 \(A\) and \(B\) are isotopes
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PHXII13:NUCLEI

363957 In a reaction \(_{92}B{e^{234}}{ \to _{88}}{Y^{218}}\), the number of \(\alpha \,\) and \(\beta \) particles emitted are

1 \(4,\,\,4\)
2 \(1,\,\,6\)
3 \(4,\,\,8\)
4 \(4,\,\,2\)
PHXII13:NUCLEI

363958 After \(1\alpha \) and \(2\beta \) emissions

1 Mass number reduce by 4
2 Mass number reduce by 3
3 Mass number reduce by 2
4 Mass number reduce by 6
PHXII13:NUCLEI

363959 In \(\alpha \)- decay which of these are true?
I.
\(_2^4He\) is emitted.
II.
Mass number of daughter nucleus decreases by 4.
III.
Atomic number of daughter nucleus decreases by 2
IV.
\(_2^4He\) is electrically neutral.

1 I and II
2 I, II and IV
3 I, II and III
4 I, II, III and IV
PHXII13:NUCLEI

363960 The particle \(A\) is converted to \(C\) via following reactions then
\(A \to B + {}_2H{e^4}\)
\(B \to C + {2_{ - 1}}{e^0}\)

1 \(A\) and \(C\) are isobars
2 \(A\) and \(C\) are isotopes
3 \(A\) and \(B\) are isobars
4 \(A\) and \(B\) are isotopes
NEET DIGITAL LIBRARY
PHXII13:NUCLEI

363957 In a reaction \(_{92}B{e^{234}}{ \to _{88}}{Y^{218}}\), the number of \(\alpha \,\) and \(\beta \) particles emitted are

1 \(4,\,\,4\)
2 \(1,\,\,6\)
3 \(4,\,\,8\)
4 \(4,\,\,2\)
PHXII13:NUCLEI

363958 After \(1\alpha \) and \(2\beta \) emissions

1 Mass number reduce by 4
2 Mass number reduce by 3
3 Mass number reduce by 2
4 Mass number reduce by 6
PHXII13:NUCLEI

363959 In \(\alpha \)- decay which of these are true?
I.
\(_2^4He\) is emitted.
II.
Mass number of daughter nucleus decreases by 4.
III.
Atomic number of daughter nucleus decreases by 2
IV.
\(_2^4He\) is electrically neutral.

1 I and II
2 I, II and IV
3 I, II and III
4 I, II, III and IV
PHXII13:NUCLEI

363960 The particle \(A\) is converted to \(C\) via following reactions then
\(A \to B + {}_2H{e^4}\)
\(B \to C + {2_{ - 1}}{e^0}\)

1 \(A\) and \(C\) are isobars
2 \(A\) and \(C\) are isotopes
3 \(A\) and \(B\) are isobars
4 \(A\) and \(B\) are isotopes
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