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In Ingen Hauze's experiment, the wax mel...

In Ingen Hauze's experiment, the wax melts up to lengths 10 and 25 cm on two identical rods of different materials. The ratio f thermal conductivities of the two materials is :

A

`1:6.25`

B

`6.25:1`

C

`1:sqrt(2.5)`

D

`1:2.5`

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A
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