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Calculate the electric potential at the surface of a gold nucleus of diameter 13 fermi. Atomic no. of gold is 79. |
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Answer» Solution :Data supplied Atomic no. of gold Z=79 Charge, `q=Ze=79 xx1.6 xx 10^(-19)C` RADIUS, r=6.5cm fermi `=6.5 xx 10^(-15)m` Potential, `V=(1)/(4PI epsi_(0)). q/r=(9 xx 10^(9) xx 79 xx 1.6 xx 10^(-19))/(6.5 xx 10^(-15)m)-1.75 xx 10^(7)V="17.5 Mega volt"` |
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