Can a body have charge 4.0 ×10^- 19 c
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No, it can’t.
Charge on a body should be an integral multiple of 1.6 × 10^-19 C
Mathematically
Q = ne
For this body
n = Q/e
= (4.0 × 10^-19 C) / (1.6 × 10^-19)
= 2.5
2.5 is not an integer. Therefore a body can’t have charge of 4.0 × 10^-19 C
Charge on a body should be an integral multiple of 1.6 × 10^-19 C
Mathematically
Q = ne
For this body
n = Q/e
= (4.0 × 10^-19 C) / (1.6 × 10^-19)
= 2.5
2.5 is not an integer. Therefore a body can’t have charge of 4.0 × 10^-19 C
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