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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
Assertion : Intensity of X-rays can be controlled by adjusting the filament current and voltage.
Reason : The intensity of X-rays does not depend on number of X-ray photons emitted per second from the target.
  • A
    If both assertion and reason are true and the reason is the correct explanation of the assertion.
  • B
    If both assertion and reason are true but reason is not the correct explanation of the assertion.
  • ✓
    If assertion is true but reason is false.
  • D
    If the assertion and reason both are false.
✓

Answer

Correct option: C.
If assertion is true but reason is false.
 If assertion is true but reason is false.

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