The essential distinction between \( X \)-rays and \( \gamma \)-rays is that [RPMT 1991; BHU 199...

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The essential distinction between \( X \)-rays and \( \gamma \)-rays is that
[RPMT 1991; BHU 1994; JIPMER 2001, 02]
(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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