the fundamental unit of length is S.I system is
a) Centimeter
b) Millimeter
c) Micrometer
d) Meter
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d)meter
The meter, symbol m, is the SI unit of length. It is defined by taking the fixed numerical value of the speed of light in vacuum c to be 299 792 458 when expressed in the unit m s-1, where the second is defined in terms of ΔνCs.
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Answer:
(d)
Explanation:
meter is the si unit of length
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