Asked by Anonymous

1metre length is kept at​ 0 degree Celsius.why?
Answered by Damon
because if the temp goes up the bar will expand. A reference temperature must be chosen so that the length is standard. Zero is easy, water freezes there :)
Answered by Saugat
Thank u
Answered by Hanna
Not good
Answered by Aavash
Great
Answered by arianna
that was helpful :)
Answered by Anonymous
Because it is it's initial point.
Answered by Ns
Not,above written is not good.
Answer is,
1m is kept at 0 degree C because when temperature increases length also increases
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