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Electrostatics — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsElectrostatics1 Mark
MCQ
If an electron moves from rest from a point at which potential is $50$ volt to another point at which potential is $70$ volt, then its kinetic energy in the final state will be
 
  • A
    $3.2 \times 10^{-10} \mathrm{~J}$
  • ✓
    $3.2 \times 10^{-18} \mathrm{~J}$
  • C
    $1 N$
  • D
    $1$ dyne
✓

Answer

Correct option: B.
$3.2 \times 10^{-18} \mathrm{~J}$
$3.2 \times 10^{-18} \mathrm{~J}$

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