Same quantity of ice is filled in each of the two metal containers 
and 
having the same size, shape and wall thickness but made of different materials. The containers are kept in identical surroundings. The ice in 
melts completely in time 
, whereas that in 
takes a time 
. The ratio of thermal conductivities of the materials of 
and 
is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Let 
and 
be the thermal conductivities of containers 
and 
respectively.
As the same quantity of ice melts in 
and 
, so the quantity of heat flowing in 
and 
must be same.
or 
or 
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