Questions
A sphere, a cube and a disc all of the same material and of same volume are heated to 600oC and left in air. Which of these will have the lowest rate of cooling?
detailed solution
Correct option is C
As the sphere has minimum surface area it will be cooled at the slowest rate.Talk to our academic expert!
Similar Questions
For a black body at temperature 727°C, its radiating power is 60W and temperature of surrounding is 227° C. If temperature of black body is changed to 1227°C, then its
radiating power will be :
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