Question

What is Linear expansion????????????​

Answer 1

Answer:

on heating a solid if changes os observed only in its length than the expansion is called linear expansion

Answer 2

Answer:

Linear Expansion means expansion in length due to increase in temperature. Linear expansion means fractional change in length i.e. how the length is changing with respect to original length. As we can seefrom above images the length has been increased from. l to l+Δl.

Explanation:

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