Home Physics Electron, Photon, Photoelectric Effect and X-rays X - Rays The shortest wavelength of X-rays emitted fr…
Physics Electron, Photon, Photoelectric Effect and X-rays X - Rays MCQ (Single Correct)

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

A
Current in the tube
B
Voltage applied to the tube
C
Nature of gas in the tube
D
Atomic number of target material

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Text Solution

Verified by Experts
The correct answer is:
B

When the electron loses whole of its energy in a single collision with the atoms, an -ray photon of maximum energy
is emitted ie,

Minimum wavelength = cut-off wavelength of -ray

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