X raysMedium
Question
When cathode rays strike a metal target of high melting point with a very high velocity then which of the following are produced ?[
Options
A.γ - wave
B.Ultrasonic
C.X-rays
D.α - rays
Solution
When electron strike a metal target of high melting point with high velocity, it knocks out inner electrons of the atoms of the target material. to fill up this up this vacancy, electrons from higher energy level make transition to lower level resulting in emission of radiation.If target material has very high atomic number then the emitted radiation is X-ray.
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