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  • Hard X-rays for the study of fractures in bones should have a minimum wavelength of . The accelerating vol

Hard X-rays for the study of fractures in bones should have a minimum wavelength of 10^{-11} \mathrm{~m}. The accelerating voltage for electrons in X-ray machine should be:

Option: 1

<124.2 \mathrm{kV}


Option: 2

>124.2 \mathrm{kV}


Option: 3

\text{Between} \: \: 60 \: \: \mathrm{kV}\: \: \text{and} \: \: 70 \mathrm{kV}


Option: 4

\mathrm{equal \: to\: 100\: kV}


Answers (1)

best_answer

\mathrm{\mathrm{V}_{\max }=\frac{12400 \times 10^{-10}}{10^{-11}}=124 \mathrm{kV} \Rightarrow \mathrm{V}<124 \mathrm{kV}}

Posted by

sudhir.kumar

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