Question

A proton is accelerated through 50000 V. Its energy will increase by:

• A. 5000 eV
• B. $8\times {10}^{-15}$
• C. 5000 J
• D. 50000 J

Answer 1

Answer: (B)

Energy $=eV=1.6\times {10}^{-19}\times 50000$ $=8\times {10}^{-15}J$