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What is the actual length of the steel rod on a hot day when the temperature is 45.0 °C, given that it measures 63.0 cm on that day? Coefficient of linear expansion of steel = 1.20 × 10 ⁻⁵ K ⁻¹

Options

  1. A67.37 cm
  2. B63 cm
  3. C65.37 cm
  4. D61.87 cm

Correct answer

B. 63 cm

Step-by-step solution

Correct Option is : (B) 63 cm

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