Dual Nature Of Light Question 503
Question: The essential distinction between X-rays and $ \gamma - $ rays is that [BHU 1994; RPMT 1991; JIPMER 2001, 02]
Options:
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
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Answer:
Correct Answer: B
Solution:
The wavelength of the g-rays is shorter. However the main distinguishing feature is the nature of emission.