Question

One million electron volt is

• A. $1.6\times {10}^{-16}J$
• B. $1.6\times {10}^{-19}J$
• C. $1.6\times {10}^{-13}J$
• D. $1.6\times {10}^{-11}J$

Answer 1

Answer: (C)

We know that $1eV=1.6\times {10}^{-19}J$ So, $1MeV=1.6\times {10}^{-19}\times {10}^6$ $=1.6\times {10}^{-13}J$