A) velocity
B) intensity
C) frequency
D) polarization
Correct Answer: C
Solution :
The penetrating power of \[X-\]rays depends upon their wavelength, which depends upon frequency. The frequency of the longer wavelength \[X-\]rays is lower and so their energy is smaller. Hence, their penetrating power is weaker and they are called soft \[X-\]rays. While the penetrating power of the shorter wavelength \[X-\]rays is stronger and they are called hard or highly penetrating \[X-\]rays.You need to login to perform this action.
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