Home Physics Electron, Photon, Photoelectric Effect and X-rays X - Rays When a beam of accelerated electrons hits a …
Physics Electron, Photon, Photoelectric Effect and X-rays X - Rays MCQ (Single Correct)

When a beam of accelerated electrons hits a target, a continuous X-ray spectrum is emitted from the target. Which of the following wavelength is absent in the X-ray spectrum, if the X-ray tube is operating at 40,000 volts?

A
0.25 Å
B
0.5 Å
C
1.5 Å
D
1.0 Å

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The correct answer is:
A

Hence wavelength less than is not possible.

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