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In an X-ray tube , electrons bombarding ...

In an X-ray tube , electrons bombarding the anode produce X-rays of wavelength 1 Å . The energy of an electron , when it hits the anode is

A

`19.8 xx 10^(-16) J`

B

`16.3 xx 10^(-16) J`

C

`13.7 xx 10^(-16)` J

D

`9.8 xx 10^(-16)` J

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The correct Answer is:
A
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