Q49 / 201 · NTA Abhyas (NEET) 2020 · Physics · Atomic Physics

The shortest wavelength of X-rays emitted from an X-ray tube depends on

  • A
    The current in the tube
  • Correct answer
    B
    The voltage applied to the tube
  • C
    The nature of the gas in tube
  • D
    The atomic number of the target material

Solution

Shortest wavelength or cut - off wavelength depends only upon the voltage applied in the coolidge tube.

Hence, the correct answer is option: 'B'.

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