Question

The mass of a proton is 1.67262 x 10-27 kg and the mass of an electron is 9.10938 x 10-31 kg.
Show that the mass of a proton is nearly 2000 times the mass of an electron.​

Answer 1

FOR SIMPLICITY OF CALCULATION WE TAKE THE MASS OF PROTON = 1.6 × 10^-27 kg AND THE MASS OF ELECTRON = 9.1 × 10^-31 kg

SO, THE MASS OF PROTON/THE MASS OF ELECTRON

= 1.6 × 10^-27/ 9.1 × 10-31

= 1.6 / 9.1 × 10^4

= 0.184 × 10^4 (approx)

= 1840

SO BY APPROXIMATING WE SAY THAT THE MASS OF PROTON IS ABOUT 2000 TIMES THEMASS OF ELECTRON

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