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Electron, Photon, Photoelectric Effect and X-Rays — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsElectron, Photon, Photoelectric Effect and X-Rays1 Mark
MCQ
The essential distinction between X-rays and γ - rays is that
  • A
    γ- rays have smaller wavelength than X-rays
  • ✓
    γ - rays emanate from nucleus while X-rays emanate from outer part of the atom
  • C
    γ- rays have greater ionizing power than X-rays
  • D
    γ- rays are more penetrating than X-rays
✓

Answer

Correct option: B.
γ - rays emanate from nucleus while X-rays emanate from outer part of the atom
 γ - rays emanate from nucleus while X-rays emanate from outer part of the atom

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