A) \[\gamma -\]rays have smaller wavelength than X-rays
B) \[\gamma -\]rays emanate from nucleus while X-rays emanate from outer part of the atom
C) \[\gamma -\]rays have greater ionizing power than X-rays
D) \[\gamma -\]rays are more penetrating than X-rays
Correct Answer: B
Solution :
The wavelength of the g-rays is shorter. However the main distinguishing feature is the nature of emission.
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