60. The force required to stretch a steel wire of cross-section
The force required to stretch a steel wire of cross-section 1 cm2 to 1.1 times its length would be(Y=2×1011 N/m2)
(a) 2×106 N (b) 2×103 N
(c) 2×10-6 N (d) 2×10-7 N
Answer-a
(10)
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(a) – 5 J (b) – 10 J (c) – 15 J (d) – 20 J Answer-a (123)