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What is the basis of the meter in 1793 is platinum?
iridium
What is the standard meter bar of Paris made of?
The standard meter bar of Paris, also known as the metre des archives, is made of the platinum-iridium alloy. This bar was used as the standard definition of the meter from 1889 to 1960.
Why cannot use glass in standard meter instead of alloy of platinum and iridium?
In long spans of time, glass actually acts more like a super-cooled liquid than a solid. It changes its length and volume and does not remain constant. Whereas, platinum and iridium are heavy metals that do maintain their volume over time. Therefore, glass cannot be used as a standard for any measurement of volume or length.
What element was used to redefine a meter?
The element used to redefine a meter was the speed of light. Specifically, the meter was redefined in 1983 as the distance light travels in a vacuum in 1/299,792,458 of a second.
Is meter used in the metric system?
Think about it - meter, metric. Yes, it is. It's the base measurement of the metric system.Answer:The meter is the base measurement of length in SI or the International System of Units. Historically, the metre was defined by the French Academy of Sciences as the length between two marks on a platinum-iridium bar, it was supposedly one ten-millionth of the distance from the Equator to the North Pole through Paris. In 1983, the metre was redefined as the distance travelled by light in free space in 1⁄299,792,458 of a second.
How was the first meter measured?
with a meter stick. just joking.. 1 metre was originally defined as 1/40,000,000th of the polar circumference of the Earth. The metre was later redefined as the length of a particular bar of platinum-iridium alloy held in a vault.
How was the length of a meter created?
The meter was defined by the French Academy of Sciences as the length between two marks on a platinum-iridium bar, which was designed to represent one ten-millionth of the distance from the Equator to the North Pole through Paris.In 1983, the meter was redefined as the distance traveled by light in free space in 1⁄299,792,458 of a second.
Is the moon a meter?
The moon is a natural satellite. A meter is a measurement of length. No, the moon is not a measurement of length.
What is the main unit of measurement for length?
The main unit of measurement for length is the meter (m).
What is the standard measurement for the size of a meter of fabric?
The standard measurement for the size of a meter of fabric is 1 meter in length and the width can vary.
Why do not use meter for your measurement?
I do.
Is meter the same as square meter?
no. a metre is a measurement of a straight length whilst a square metre is a measurement of an area 1m x 1m in size. No, metre is a length measurement unit whereas square meter is an area measurement unit.
