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CBSE Class 12-science Answered

 
Asked by MANISHA MOHANTY | 15 May, 2014, 07:26: PM
Expert Answer
Let us assume one electron as stationary, while the other electron moved towards the first at 2 x 106 m/s (twice the speed of the single electron).
let r represent the minimum distance between the particles. The work required to bring an electron from a distance of infinity to distance r
is = Syntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '.
Syntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '. (Charge on one electron is 1.6 x 10-19 C)
The electron's original kinetic energy is converted into electrical potential energy.
At the minimum distance apart, the kinetic energy is zero, so all the kinetic energy has been converted into electrical potential energy.
Syntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '.
(value of k is 9 x 109)
on solving above equation
we get Syntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '. m
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