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MHT CET202121 Sep 2021Morning ShiftPhysicsElectrostaticsActual

' F ' is the force between the two identical charged particles placed at a distance ' Y ' from each other. If the distance between the charges is reduced to half the previous distance, then force between them becomes

Options

  1. AF 4
  2. B4 ~F
  3. C2 ~F
  4. DF 2

Correct answer

B. 4 ~F

Step-by-step solution

aligned & F = 1 4 ₀ q ^2 r ^2 & F ₂ ~F ₁ = ( r ₁ r ₂ )^2=(2)^2=4 & F ₂=4 ~F ₁ aligned

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