When a metallic bar is heated from 0^@ C...

When a metallic bar is heated from `0^@ C `to `100^@C`, its length increases by 0.05 %, what is the co-efficient of linear expansion of the metal?

`5xx10^(-5)"^@C^(-1)`

`5xx10^(-6)"^@C^(-1)`

`5xx10^(-4)"^@C^(-1)`

`5xx10^(-3)"^@C^(-1)`

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