Question

2.
B) 20 V
D) -20 V
A tin nucleus has charge + 50e. If the proton is at a distance 10-12 m from the nucleus,
then the potential V at this position is (charge on the proton = 1.6x10-1°C]
A) 14.4x104 volt
a​

Answer 1

Answer:

D

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