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An X-ray tube operates at 40 kV. Suppose...

An X-ray tube operates at 40 kV. Suppose the electron converts 70% of its energy into a photon at each collision. Find the lowest three wavelengths emitted from the tube. Neglect the energy imparted to the atom with which the electron collides.

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The correct Answer is:
`44.3`pm, `148` pm, `493` pm
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PHYSICS GALAXY - ASHISH ARORA-X-RAYS-Unsolved Numerica Problem for Preparation
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  11. Use Moseley's law with b = 1 to find the frequency of the Kalpha X-ray...

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  12. The Kalpha and Kbeta X-rays of molybdenum have wavelengths 0.71 A and ...

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  13. The wavelength of Kalpha and Lalpha X-rays of a meterial are 21.3 pm a...

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  14. Heat at the rate of 200 W is produced in an X-ray tube operating at 20...

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  16. Suppose a monochromatic X-ray beam of wavelength 100 pm is sent throug...

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  17. The wavelength of the characteristic X - ray k(alpha ) line emitted by...

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