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Units and Dimensions

Atto - a is a...

Question

Atto - (a) is a prefix in the metric system denoting a factor of

10^{- 16}

metre

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10^{16}

metre

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10^{18}

metre

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10^{- 18}

metre

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Solution

The correct option is C $10^{- 18}$ metre
Atto is defined as $10^{- 18} m$ .

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