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A rod is measured to be 20.05 cm long using a steel ruler at a room temperature of 20°C Both the rod and the ruler are placed in an oven at 270°C, where the rod now measures 20.11 cm using the same rule. Calculate the coefficient of thermal expansion for the material of which the rod is made.

A rod is measured to be 20.05 cm long using a steel ruler at a room temperature of 20°C  Both the rod and the ruler are placed in an oven at 270°C, where the rod now measures 20.11 cm using the same rule. Calculate the coefficient of thermal expansion for the material of which the rod is made.

Grade:upto college level

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