Complete the Following Statement: Today, the Standard Meter Is Defined

question 29

Multiple Choice

Complete the following statement: Today, the standard meter is defined in terms of

• A)the distance from the earth's equator to the north pole.
• B)the wavelength of light emitted from a krypton atom.
• C)the wavelength of light emitted from a sodium atom.
• D)a platinum-iridium bar kept in France.
• E)the speed of light.

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