The densities of wood and benzene at 0 °C are 880 kg m^{-3} and 900 kg m^{-3} respectively. The coefficient of volume expansion is 1.2 × 10^{-3} ^\circC^{-1} for wood and 1.5 × 10^{-3} ^\circC^{-1} for benzene. Then the temperature at which a piece of wood just sinks in benzene is

AP EAMCET Engineering 20 Apr 2019 Shift 2 Paper

Section: Physics

Question : 95 of 160

Marks: +1, -0

The densities of wood and benzene at 0 °C are 880 kg m−3 and 900 kg m−3 respectively. The coefficient of volume expansion is 1.2 × 10−3°C−1 for wood and 1.5 × 10−3°C−1 for benzene. Then the temperature at which a piece of wood just sinks in benzene is

88 °C
90 °C
83.3 °C
90.3 °C

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