In the X-ray radiography technique, the tube voltage for thicker plates as compared to thin plates, should be________________?
Correct answer: C. Higher, as it gives shorter wavelength
- A. Higher, as it gives higher wavelength
- B. Lower, as it gives higher wavelength
- C. Higher, as it gives shorter wavelength
- D. Lower, as it gives shorter wavelength
Explanation
Thicker plates require more penetrating X-rays, obtained by increasing tube voltage. Higher voltage produces higher-energy photons with shorter wavelengths, so option C fits both requirements.
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