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IUT_11-12
HSC - পদার্থ বিজ্ঞান ১ম পত্র
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অধ্যায়-০৭ঃ পদার্থের গাঠনিক ধর্ম
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All Topics
Two steel wires of length 1.0 m and 2.0 m have diameters 1.0 mm and 2.0 mm, respectively. If they stretched by forces of 40 N and 8 N respectively, what is the ratio of their elongation?
A.
3:7
B.
10:1
C.
5:12
D.
2:5
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