Question

The Coefficient of linear expansion of solid depends only on the unit of
a)Length
b)area
c)temperature
d) none of these

Answer 1

hey mate
fr linear expansion x
the formula is : l final=l initial(1 +x◇T )
when I is length
x is coefficient of linear exp and t temperature
so
x depends on temp
i hope u understood!!

Answer 2

when something is heated or cooled its LENGTH change by amount proportion to the original length and the change in temperature.