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Suppose that the standard of length was 1m long bar of iron what would be the maximum temperature variation of the bar if its length were to be preserved to an accuracy 1 part per million

Suppose that the standard of length was 1m long bar of iron what would be the maximum temperature variation of the bar if its length were to be preserved to an accuracy 1 part per million
 

Grade:11

1 Answers

Vikas TU
14149 Points
2 years ago
Dear student 
Please provide the coefficient of linear expansion of bar. 
You can attach an image 
Length of metal is in meter 
and accuracy is very small , 
So , there will be negligible change in temperature . 
Good luck 

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