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Which one of the following statements is WRONG in the context of X-rays generated from a X-ray tube ?
  • a)
    Wavelength of characteristic X-rays decreases when the atomic number of the target increases
  • b)
    Cut-off wavelength of the continuous X-rays depends on the atomic number of the target
  • c)
    Intensity of the characteristic X-rays depends on the electrical power given to the X-rays tube
  • d)
    Cut-off wavelength of the continuous X-rays depends on the energy of the electrons in the X-ray tube
Correct answer is option 'B'. Can you explain this answer?
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Which one of the following statements is WRONG in the context of X-ray...
Understanding X-ray Generation in X-ray Tubes
In the context of X-ray generation, let's analyze the statements provided:
Statement A: Wavelength of Characteristic X-rays
- Characteristic X-rays are produced when an electron from a higher energy level fills a vacancy in a lower energy level of an atom.
- The energy of these X-rays is related to the atomic number (Z) of the target material.
- As the atomic number increases, the energy levels are closer together, leading to a decrease in wavelength.
- Conclusion: This statement is correct.
Statement B: Cut-off Wavelength of Continuous X-rays
- Continuous X-rays (or Bremsstrahlung radiation) are produced when energetic electrons are decelerated upon interacting with the target material.
- The cut-off wavelength is determined by the maximum energy of the electrons, which is primarily influenced by the applied voltage (kV) across the X-ray tube, rather than the atomic number of the target.
- Conclusion: This statement is incorrect, making it the wrong choice.
Statement C: Intensity of Characteristic X-rays
- The intensity of characteristic X-rays is indeed dependent on the electrical power supplied to the X-ray tube.
- Higher power results in more electrons being accelerated and more X-ray photons being produced.
- Conclusion: This statement is correct.
Statement D: Cut-off Wavelength of Continuous X-rays
- The cut-off wavelength is related to the maximum kinetic energy of the electrons, which is dictated by the voltage applied in the tube.
- Thus, it depends on the energy of the electrons, not on the atomic number.
- Conclusion: This statement is correct.
Final Remarks
- In summary, Statement B is the only incorrect statement regarding X-ray generation in X-ray tubes, as it mistakenly attributes the cut-off wavelength of continuous X-rays to the atomic number of the target.
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Which one of the following statements is WRONG in the context of X-rays generated from a X-ray tube ?a)Wavelength of characteristic X-rays decreases when the atomic number of the target increasesb)Cut-off wavelength of the continuous X-rays depends on the atomic number of the targetc)Intensity of the characteristic X-rays depends on the electrical power given to the X-rays tubed)Cut-off wavelength of the continuous X-rays depends on the energy of the electrons in the X-ray tubeCorrect answer is option 'B'. Can you explain this answer?
Question Description
Which one of the following statements is WRONG in the context of X-rays generated from a X-ray tube ?a)Wavelength of characteristic X-rays decreases when the atomic number of the target increasesb)Cut-off wavelength of the continuous X-rays depends on the atomic number of the targetc)Intensity of the characteristic X-rays depends on the electrical power given to the X-rays tubed)Cut-off wavelength of the continuous X-rays depends on the energy of the electrons in the X-ray tubeCorrect answer is option 'B'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Which one of the following statements is WRONG in the context of X-rays generated from a X-ray tube ?a)Wavelength of characteristic X-rays decreases when the atomic number of the target increasesb)Cut-off wavelength of the continuous X-rays depends on the atomic number of the targetc)Intensity of the characteristic X-rays depends on the electrical power given to the X-rays tubed)Cut-off wavelength of the continuous X-rays depends on the energy of the electrons in the X-ray tubeCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which one of the following statements is WRONG in the context of X-rays generated from a X-ray tube ?a)Wavelength of characteristic X-rays decreases when the atomic number of the target increasesb)Cut-off wavelength of the continuous X-rays depends on the atomic number of the targetc)Intensity of the characteristic X-rays depends on the electrical power given to the X-rays tubed)Cut-off wavelength of the continuous X-rays depends on the energy of the electrons in the X-ray tubeCorrect answer is option 'B'. Can you explain this answer?.
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