1.

The coefficient of volume expansion of a solid is x times the coefficient of superficial expansion. Then x is

Answer»

1.5
2
2.5
3

Solution :`ALPHA=(BETA)/(2)=(GAMMA)/(3)""gamma=x beta`
`THEREFORE""gamma =(3)/(2)beta rArr gamma=1.5 beta`
`x=1.5`


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