## Conceptual Physics (12th Edition)

Published by Addison-Wesley

# Chapter 22 - Think and Explain: 96

#### Answer

GeV is the larger unit.

#### Work Step by Step

In the metric system, the prefix "M", "mega", means 1 million, so $1 MeV = 10^{6} eV = 1,000,000 eV$. In the metric system, the prefix "G", "giga", means 1 billion, so $1 GeV = 10^{9} eV = 1,000,000,000 eV$.

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