Question
Question: The penetrating power of X-rays increases with the....
The penetrating power of X-rays increases with the.
A
Increase in its velocity
B
Increase in its frequency
C
Increase in its intensity
D
Decrease in its velocity
Answer
Increase in its frequency
Explanation
Solution
tE=P=thν
i.e. Penetrating power ∝ energy ∝ Frequency.