A one litre glass flask contains some mercury. It is found that at different temperatures the volume of air inside the flak remains the same. ...... $cc$ is the volume of mercury in this flask if coefficient of linear expansion of glass is $9 \times 10^{-6}  /^o C$ while of volume expansion of mercury is $1.8 \times {10^4}\,/^\circ C$

  • A

    $50$

  • B

    $100$

  • C

    $150$

  • D

    $200$

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