Quality of X-rays depends upon ____________ A-filament current B-accelerating voltage C-material of the target ?
Correct answer: B. B & C
- A. A & B
- B. B & C
- C. A & C
- D. A B & C
Explanation
X-ray quality means penetrating power and wavelength, which depend on the accelerating voltage and the target material. Filament current mainly controls the number of electrons and therefore the X-ray intensity, so the likely wrong choice is A and B, which incorrectly treats current as a quality factor.
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The particle model treats light as photons with energy E equals hf and momentum related to wavelength. Questions involve the photoelectric effect, work function, threshold frequency, stopping potential and photon energy, while distinguishing particle behaviour from the wave description of interference and diffraction.
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