Science, asked by ppsingh4100, 11 months ago

Length of each rail at 20°C is 10m. Maximum temperature in summer is 40°C. At 20°C, if the gap left between the two successive rails is 0.22cm, coefficient of linear expansion of rail material is

Answers

Answered by 1752deva
1

Answer:

Gap left = Change in length on heating

Gap=Initial length×Coefficient of linear expansion×change in temperature

Gap=10×0.000012×15m

⟹Gap=0.0018 m

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