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A hole is drilled in a copper sheet

Q. A hole is drilled in a copper sheet. The diameter of the hole is 4.24cm at 270C. What is the change in the diameter of the hole when the sheet is heated to 2270C? The coefficient of linear expansion of copper is 1.7×10-5 0C-1.                                                                                                             (CBSE)

Aditya Bhatt Answered question 22 January 2024
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