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Q.

Select the correct statement(s):

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a

α-particles are simply helium atoms

b

γ-rays travel with higher speed as compared to α-particle and have higher ionization power as compared to β-particle

c

Loss of β-particles results in the production of isobars

d

β-particles are considered as the best bombarding particles

answer is A.

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Detailed Solution

(1) α- -particles are just nucleus of helium(2H4 + 2)(3) zXA⟶Z+1YA+−1e0, so X and Y are isobars
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