1.

An aluminium rod of 10 m length at 20oC expand when the temperature is changed from 0oC to 100oC. The resultant change due to rod expansion (in mm) is[thermal expansion coefficient (γ) of at 20oC is 25×10−6(1/oC)]25

Answer» An aluminium rod of 10 m length at 20oC expand when the temperature is changed from 0oC to 100oC. The resultant change due to rod expansion (in mm) is

[thermal expansion coefficient (γ) of at 20oC is 25×106(1/oC)]
  1. 25


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