Department of Pre-University Education, Karnataka course PUC Karnataka Science Class 12
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One of the Following Wavelengths is Absent and the Rest Are Present in the X-rays Coming from a Coolidge Tube. Which One is the Absent Wavelength? - Physics

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Question

One of the following wavelengths is absent and the rest are present in the X-rays coming from a Coolidge tube. Which one is the absent wavelength?

  • 25 pm

  • 50 pm

  • 75 pm

  • 100 pm

Solution

25 pm

Cutoff wavelength (minimum) is absent in the X-rays coming from a Coolidge tube. Hence, the 25 pm wavelength is absent. 

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Solution One of the Following Wavelengths is Absent and the Rest Are Present in the X-rays Coming from a Coolidge Tube. Which One is the Absent Wavelength? Concept: Electromagnetic Spectrum.
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