WebbC.G.S. unit of energy is erg and S.I. unit of energy is joule. (i) kilo Watt × hour (kWh) is commercial unit of energy. 1 kWh = 1000 watt × 60 × 60 s. (ii) Electron volt (eV) is also the unit of energy. The energy of an electron, when it is accelerated by a potential difference of 1 volt, is known as one eV. WebbCBSE class 9 science (physics) chapter 7 "Motion" Handwritten notes #shorts #youtubeshorts #viral
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CBSE class 9 science (physics) chapter 7 "Motion" Handwritten notes …
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