Longitudinal stress of 1 kg
Longitudinal stress of 1 kg/mm2 is applied on a wire. The percentage increase in length is (Y=1011 N/m2)
(a) 0.002 (b) 0.001
(c) 0.003 (d) 0.01
Answer-b
(10)
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(a) – 5 J (b) – 10 J (c) – 15 J (d) – 20 J Answer-a (123)