Answer to Question #293866 in Physics for joyjoy

Question

Convert 4.77 picojoules to electron volts.

Answer 1

Given:

$4.77\:\rm pJ=4.77*10^{-12}\: J$

$1\: \rm eV=1.6*10^{-19}\: J$

$${4.77\:\rm pJ=4.77*10^{-12}\: J/(1.6*10^{-19}\: J/eV)}\\ =2.98*10^7\: \rm eV=29.8\: MeV$$