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Joined:	24 Feb 2009
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18 Mar 2009 20:19:32 IST

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A potential difference of 20 kV is applied to the anti-cathode of an X-ray tube to attract electron

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A potential difference of 20 kV is applied to the anti-cathode of an X-ray tube to attract electrons. The maximum speed of electrons is... 1. 8.4 × 106 ms-1 2. 8.4 × 107 ms-1 3. 5.95 × 106 ms-1 4. 5.95 × 107 ms-1

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abhishek

Cool goIITian

Joined: 10 May 2008

Posts: 83

20 Mar 2009 14:32:58 IST

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eV=1/2mv^2

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