A proton and an electron have kinetic energy equal to 10^5 eV & 10^4 eV. Which of them will move faster? Also calculate the ratio of their speeds. 1eV = 1.6* 10^-19J
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the proton will travel faster than electron because velocity is inversely proportional to the square root of mass
because mass of proton is in order 10^-31 and of electron is 10^-19 so proton will travel faster than electron
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