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Three rods one made of glass, one of pure aluminium and one made of wrought iron are heated to 150?C. All the rods are 15 mm in diameter and 300 mm long. The lowest temperature at the free end of the rods will occur in case of

[A].	Aluminium rod	[B].	Wrought iron rod
[C].	Glass rod	[D].	Temperature will be same for all the three rods at free end
[E].	Temperature will depend on the surrounding air temperature

Answer: Option C

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