The standard meter used to be a metal bar composed of platinum and iridium. The current standard
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The standard meter used to be a metal bar composed of platinum and iridium. The current standard is based on the measured speed of light and an optical device called an interferometer. What advantages does the new standard have over the old?
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All physical objects such as bars of metal change and react to the environment Minu...View the full answer
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Vinod Antil
I had completed my graduation (BSc Hons chemistry)from University of Delhi in2015
I am pg holder. I had completed my post graduation (MDU , Rohtak)in 2017.
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From 2018 March onwards I am giving the sevice in Eureka public school ,Narnaul.
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Related Book For
College Physics Reasoning and Relationships
ISBN: 978-0840058195
2nd edition
Authors: Nicholas Giordano
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