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Question

Assertion :If the accelerating potential in an X-ray tube is increased, the wavelengths of the characteristic X-rays do not decrease. Reason: When an electron beam strikes the target in an X-ray tube, part of the kinetic energy is converted into X-ray energy.
  1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
  2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
  3. Assertion is correct but Reason is incorrect
  4. Assertion is incorrect but Reason is correct

A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B
Assertion is incorrect but Reason is correct
C
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
D
Assertion is correct but Reason is incorrect
Solution
Verified by Toppr

The wavelength of characteristic X-ray wavelength depends on the atomic number of the target element, and is independent of the accelerating potential in X-ray tube.
Although it is not the reason, still it is true that when an electron beam strikes the target in an X-ray tube, part of the kinetic energy is converted into X-ray energy.

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