96. On applying a stress of
On applying a stress of 20×108 N/m2 the length of a perfectly elastic wire is doubled. Its Young’s modulus will be
(a) 40×108 N/m2 (b) 20×108 N/m2
(c) 10×108 N/m2 (d) 5×108 N/m2
Answer-b
(8)
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(a) – 5 J (b) – 10 J (c) – 15 J (d) – 20 J Answer-a (123)