. If the accelerating potential in an X–ray tube is increased, the wavelengths
STATEMENT – 1
If the accelerating potential in an X–ray tube is increased, the wavelengths of the characteristic X–ray do not change.
because
STATEMENT – 2
When an electron beam strikes the target in an X–ray tube, part of the kinetic energy is converted into X–ray energy.
(A) Statement – 1 is True, Statement – 2 is True; Statement – 2 is a correct explanation for Statement – 1.
(B) Statement – 1 is True, Statement – 2 is True; Statement – 2 is NOT a correct explanation for Statement – 1.
(C) Statement – 1 is True, Statement – 2 is False.
(D) Statement – 1 is False, Statement – 2 is True.
Best Answer
Wavelength of characteristics x-ray depends only on the atomic number of the target element, whereas wavelength of the continuous X-ray depends on that fraction of energy of the incident electron, that gets converted into x-ray photon. These two are independent from each other.
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