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Define standard meter. - Physics

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Question

Define standard meter.

Definition
One Line Answer

Solution

A standard metreis equal to 1650763.73 wavelengths in vacuum, of the radiation from krypton isotope of mass 86.

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Measurements
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Chapter 1: Measurement - Exercise 5 [Page 46]

APPEARS IN

Frank Physics [English] Class 9 ICSE
Chapter 1 Measurement
Exercise 5 | Q 4 | Page 46
Frank Physics [English] Class 9 ICSE
Chapter 1 Measurement
Exercise 1 | Q 5 | Page 15
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