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- Engineering
- During linear thermal expasion of a metalic rod Option: 1 length of rod increases <div class='qna-opt
During linear thermal expasion of a metalic rod
Option: 1
length of rod increases
Option: 2
Area of cross-section decreases
Option: 3
Area of cross-section increases
Option: 4
both (1) and (2)
Answers (1)
Due to heating, length increases since volume is constant hence cross-sectional area decreases
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