1.

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 12 xx 10^(-3) C^(-10) for wood and 1.5 xx 10^(-30) C^(-1) for benzene. Then the temperature at which a piece of wood just sinks in benzene is

Answer»

`83^(@) C`
`73^(@) C`
`63^(@) C`
`53^(@) C`

ANSWER :A


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