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22. A metal rod having a linear coeffi-cientof expansion 2x10-51°C has a length 1m at25°C, the temperature at which it isshortened by imm is1) -25°C2) -125°C3) 125°C4) -10°C2 Contfubical |
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Answer» hi friend I don't know the answer and please like my answer please |
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