A solid metallic cube having total surface area 24 m 2 is uniformly heated. If its temperature is increased by 10°C, calculate the increase in volume of the cube (Given 
= 5.0 x 10 -4 °C -1 )
Text Solution
Verified by ExpertsThe correct answer is:
B
Increase in volume 
So 
2 Total surface area = 6a 2 , where a is side length
24 = 6a 2 a= 2m
Volume V 0 = (2) 3 = 8m 3
V = (3x5x10 -4 ) (8)x10
= 1.2x10 5 cm 3
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