Question

one joule is equal to how many eV​

Answer 1

Answer:

6.241509⋅10^18 eV

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Answer 2

solution:

By definition one electron volt is the energy acquired by an electron when it is accelerated through a potential difference of 1 volt

1 eV=(1.60217662×10−19 C)×(1 V)

1 eV=1.60217662×10−19 J

1 eV=1.602×10−19 J, rounded to three decimal places.

Conversely, one joule is the energy acquired by one coulomb of charge when it is accelerated through a potential difference of 1 volt

1 J=(6.2415091×1018 e)×(1 V)

1 J=6.2415091×1018 eV

1 J=6.242×1018 eV, rounded to three decimal places.