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Q.

The wavelength range of X-rays is:


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a

10-8m to 12-12m

b

10-9m to 12-2m

c

10-18m to 12-12m

d

None of these 

answer is A.

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Detailed Solution

Concept: Wilhelm Conrad Roentgen, a German physicist, made the initial discovery of X-rays in 1895 while examining the effects of electron beams in cathode ray tubes. They are far from the visible spectrum and have very tiny wavelengths. Their frequencies are really high. They frequently occur when charge particles accelerate or decelerate.
A very minor portion of the electromagnetic spectrum is made up of X-rays. Their frequency ranges from 1016 to 1020Hz and wavelengths range from about 10-8m to 12-12m. These can once more be divided into soft and hard X-rays as well as gamma rays. They have high frequencies and very short wavelengths that are outside of the visible spectrum. They frequently occur when charge particles accelerate or decelerate.
While examining the effects of electron beams in cathode ray tubes in the year 1895, German physicist Wilhelm Conrad Roentgen made the first observation of X-rays. Radioactivity is the study of radioactive metals, which were discovered after the discovery of X-rays.
These are utilized to research bodily cells because of their great penetrating abilities. They also expel electrons from a neutral atom due to their high ionization energy. They are also employed in the fight against tumor growth.
Hence, option 1 is correct.
 
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