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A galss flask is filled up to a mark wit...

A galss flask is filled up to a mark with 50 cc of mercury at `18^@C`. If the flask and contents are heated to `38^@C`, how mech mercury will be above the mark (`alpha` for glass is `9xx10^(-6)//^@C` and coeffiecient of real expansion of mercury is `180xx10^(-6)//^@C`)?

A

0.85c c`

B

`0.46c c`

C

`0.153c c`

D

`0.05c c`

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