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Electrostatics — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsElectrostatics1 Mark
Question
A proton is about 1840 times heavier than an electron. When it is accelerated by a potential difference of 1 kV, its kinetic energy will be (a) 1840 keV(b) 1/1840 keV(c) 1 keV(d) 920 keV
       
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Answer

(c) 1 keV

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