If the ratio of coefficient of thermal conductivity of silver and copp – McqOptions

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1.	If the ratio of coefficient of thermal conductivity of silver and copper is 10 : 9, then the ratio of the lengths upto which wax will melt in Ingen Hausz experiment will be [DPMT 2001]
A.	6 : 10
B.	\[\sqrt{10}:3\]
C.	100 : 81
D.	81 : 100
Answer» C. 100 : 81

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