101. If the interatomic spacing in a steel wire
If the interatomic spacing in a steel wire is 3.0Å and Ysteel =20×1010 N/m2 then force constant is
(a) 6×10-2 N/Å (b) 6×10-9 N/Å
(c) 4×10-5 N/Å (d) 6×10-5 N/Å
Answer-b
(23)
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(a) – 5 J (b) – 10 J (c) – 15 J (d) – 20 J Answer-a (123)