Question

in the ingen hausz method to compare the thermal conductivities of different substances,the length upto which wax melted is in the ratio of 2:5. The ratio of their thermal conductivities is​

Answer 1

Answer:

5:3

Explanation:

because they have direct proportion.

Answer 2

Given info : In the Ingen Hausz method to compare the thermal conductivities of different substances, the lengths upto which max melted is in the ratio of 2 : 5.

To find : The ratio of their thermal conductivities is...

solution : according to Ingen Hausz method,

thermal conductivity ∝ (length of melted wax)²

here ratio of the lengths upto which was melted is in the ratio of 2 : 5.

so ratio of thermal conductivities = (2/5)² = 4/25

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