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CBSE Class 10 Answered

determine their final speed.
Asked by | 04 Aug, 2008, 04:29: PM
answered-by-expert Expert Answer

Let the potential difference be V volts.

Mass of electron=m kg

e=charge on an electron

Then :

Work done=Change in kinetic energy

or eV=1/2 m v2

Hence v=(2ev/m)1/2

 

 

Answered by | 08 Aug, 2008, 01:13: AM
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