Roentgen discovered X-ray. Which of the following statements is correct for X-rays?
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a
These are electromagnetic in nature
b
These are produced when cathode rays (electrons) strike dense metal anode
c
These rays are of very short wavelength ≈1A∘
d
All of the above are correct
answer is D.
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Detailed Solution
X-rays are produced when electrons strike the dense metal anode, called target.These are not deflected by the electric and magnetic fields and have high penetrating power with short wavelengths.