3.
Which of the following is not a unit of energy?
2) Wh
1) Nm
3) eV
4) Kgm-is2
Answers
Answer:
Explanation:option 3 eV
Kgm⁻¹s⁻² is not unit of ENERGY
Step-by-step explanation:
Energy = work
Unit of Energy is Joule.
Work Done = Force * displacement
= Nm
Hence Nm is unit of Energy
Energy = Power * Time
=> Unit of Energy = Wh
Energy = Work Done = Force * displacement
= mass * acceleration * displacement
= kg m/s² * m
= kg m²/s²
Hence Kgm⁻¹s⁻² is not unit of ENERGY
eV Electron volt is also unit of energy
It is energy gained by an electron charged particle carrying unit electronic charge when the electrical potential at the electron increases by one volt.
1 eV = 1.602 × 10⁻¹⁹joule.
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