Calculate the intensity of electric fieldat a point 4mm away from an alpha particle
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Charge on an Alpha particle (q) = 2 × 1.6 × 10^-19
= 3.2 × 10^-19 Coulomb.
Displacement (r) of a point from the charge at which EF intensity is to be calculated
(r) = 4×10^-3m.
Therefore, EF intensity (E) = kq/r^2
= (9×10^9 × 3.2×10^-19)/(16×10^-6)
= 1.8×10^-4 N/C
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