Calculate the force between two alpha particles kept at a distance of 0.02mm in air.
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Alpha particle contains 2 protons and 2 neutrons
Charge of alpha particle = 2 × 1.6 × 10^-19 Coulomb
Force between two alpha particles = kq₁q₂/r²
= [9 × 10^9 × (2 × 1.6 × 10^-19)^2] /(0.02 × 10^-3)^2
= 2.30 × 10^-18 N
Force between two alpha particles is 2.30 × 10^-18 N
Charge of alpha particle = 2 × 1.6 × 10^-19 Coulomb
Force between two alpha particles = kq₁q₂/r²
= [9 × 10^9 × (2 × 1.6 × 10^-19)^2] /(0.02 × 10^-3)^2
= 2.30 × 10^-18 N
Force between two alpha particles is 2.30 × 10^-18 N
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