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ICSE Class 8 Answered

give an example to show that expansion depends on the nature of material.
Asked by nathsantanukumar | 17 Apr, 2018, 07:42: PM
answered-by-expert Expert Answer
Linear expansion coefficient of Aluminium = 2.5 × 10-5 K-1 ;
 
Linear expansion coefficient of Iron = 1.2 × 10-5 K-1 ;
 
If a thin Aluminium rod of length 1 m is heated to 100º C increase in legth is 2.5 mm
 
If a thin iron rod of length 1 m is heated to 100º C increase in legth is 1.2 mm
Answered by Thiyagarajan K | 18 Apr, 2018, 04:50: PM
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