Energy equal to the mass of one electron is

1.	Energy equal to the mass of one electron is
Answer» `8.2 XX 10^(-7)` erg `9.2 xx 10^(-8)` erg `8.2 xx 10^(-10)` erg `4.1xx10^(-8)` erg Solution :`E= mc^2` `E = 9.1 xx 10^(-31) xx (3x 10^8 )^2 = 8.2 xx 10^(-7) ` erg

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