SI prefixes and tiny energies

Classical Mechanics Level 2

The electron-Volt, eV \text{eV} , is a unit of energy equal to 1.6 × 1 0 − 19 J . 1.6\times10^{-19} \text{ J}. Fill in the blank with the prefix from the list that makes the following equality true:

1 eV = 160 __J . 1 \text{ eV} = 160 \text{ \_\_J}.

a x f z y

July Thomas by July Thomas , 30, USA

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1 solution

July Thomas
Apr 26, 2016

Relevant wiki: SI Divisor Prefixes

1.6 × 1 0 − 19 = 160 × 1 0 − 21 1.6\times 10^{-19} = 160\times 10^{-21}

The SI prefix representing 1 0 − 21 10^{-21} is zepto-, z . \text{z}.

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