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Grade 11Thermal Physics

This question didn't solve with me. So please sir give me a answer of it sir in easy method

Question image for This question didn't solve with me. So please sir
Profile image of Akash Gupta
7 Years agoGrade 11
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1 Answer

Profile image of Arun
7 Years ago
Expansion = 1.885 . 25. 10^–6 .32 = 1.508 . 10^–3 m 

Rise = √ (1.885 + 0.001508)^2 – 1.885^2 = 0.0754 m = 7.5 cm