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

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

Question Image
Grade:11

1 Answers

Arun
25763 Points
2 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

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