Nuclear Physics And Radioactivity Question 260
Question: Which can pass through 20 cm thickness of the steel [MNR 1985; CPMT 1990; RPET 2000]
Options:
A) $ \alpha - $ particles
B) $ \beta - $ particles
C) $ \gamma - $ rays
D) Ultraviolet rays
Show Answer
Answer:
Correct Answer: C
Solution:
g-rays are highly penetrating.
BETA
