Nuclear Physics And Radioactivity Question 270

Question: Which of the following is in the increasing order for penetrating power [IIT 1994; RPET 2003]

Options:

A) $ \alpha ,\ \beta ,\ \gamma $

B) $ \beta ,\ \alpha ,\ \gamma $

C) $ \gamma ,\ \alpha ,\ \beta $

D) $ \gamma ,\ \beta ,\ \alpha $

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Answer:

Correct Answer: A

Solution:

Penetration power of g is 100 times of b, while that of b is 100 times of a.