What do you mean by metric system? Which country created it? Explain the SI units.
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Explanation:
A metric system is a system of measurement that Asucceeded the decimalised system based on the metre introduced in France in the 1790s. ... The unit of time should be the second; the unit of length should be either the metre or a decimal multiple of it; and the unit of mass should be the gram or a decimal multiple of it.
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The solar constant is defined as
the amount of energy received
per unit area perpendicular to
the direction of light rays it is
numerically equal to 1.4 KW m
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