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Density of substance at 0^@C is 10gm/cc...

Density of substance at `0^@C` is 10gm/cc and at `100^@C` , it's density is `9.7g/cc. The coefficient of linear expansion of the substance is

A

`10^(-4)`

B

`3 xx 10^(-4)`

C

`19.7 xx 10^(-3)`

D

`10^(-3)`

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The correct Answer is:
B
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