Physics, asked by peter5034, 9 months ago

The length of a copper rod at 20°C is found to be 150 cm when measured with a steel scale which gives correct reading at this temperature what length of the same copper rod will be found when measured with the same steel scale at 60°C?alpha steel=11×10^-6°C^-1 alpha copper=11×10^-6°C^-1

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