CHECK Point 2
Fill in the blanks.
1.Coefficient of linear expansion of copper is_____
2 Coefficient of linear expansion =______x coefficient of volume expansion (Y).
3.solid have _____kind of thermal expansion
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Answer:
1. 1.75×10-5 C°-1
2. Y/3
3. 3
Explanation:
1. It is always same for a particular metal or substance and slightly changes w.r.t temperature.
2. beta (Y) = 3 alpha(co-efficient of linear expansion)
co-efficient of linear expansion= (Y) / 3
3. linear expansion,volumetric expansion and superficial expansion (aerial expansion)
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