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Q. |
Two rods one of copper and the other of mild steel, both of diameter 20 mm and length 250 mm are coated with a uniform layer of wax all around. These rods are placed vertically in a boiling water bath with 200 mm, length of each rod projecting outside. If the melting point of wax is 10?C, then |
A. | equal quantity of wax will meet on the two rods |
B. | more wax will melt on copper rod as compared to mild steel rod |
C. | 37,500 kg |
D. | nothing can be predioted as the data is insufficient |
E. | more wax will melt on mild steel rod as compared to copper rod |
Answer» B. more wax will melt on copper rod as compared to mild steel rod |
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