Which of the following does not characterise, X-rays :
A
The radiation can ionise gases
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B
It causes ZnS to fluorescence
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C
Deflected by electric and magnetic fields
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D
Have wavelengths shorter than ultraviolet rays
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Solution
The correct option is C Deflected by electric and magnetic fields X-rays can ionise gases and cannot get deflected by electric and magnetic fields, wavelength of these rays is 150to0.1oA. Thus, the wave length of X-rays is shorter than that of Uv rays.