Q.
Select the correct order for the penetrating power of the following.
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a
α<β<γ
b
α<γ<β
c
γ<β<α
d
γ<α<β
answer is A.
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Detailed Solution
In regards of penetrating power, α-particles are least, followed by β-rays (100 times that of α-particles) and γ-rays (1000 times that of α-particles.)
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