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Vishrant Vasavada Grade: 11
        The KE of an electron emitted from tunsten surface is 3.06 eV. What voltae would be required to bring an electron to rest?
7 years ago

Answers : (1)

Ramesh V
70 Points
										

KE of electron emitted frm tungsten surface is 3.06*1.602*10-19 J = 4.902*10-19


Let electron has been accelerated from rest through a potential difference of  V


  KE = qV = 1.6*10-19 *V = 4.902*10-19


         = 3.064 Volts


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Naga Ramesh

IIT Kgp - 2005 batch



7 years ago
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