(A) 2×108 Nm-2 (X)
(B) 5×106 Nm-2 (
)
(C) 0.5×10-6 Nm-2 (X)
(D) 0.2×10-6Nm-2 (X)
Answers: A rubber cord of cross sectional area 2cm2 has a length of 1m. When a tensile force 10N is applied the length of the cord increases by 1cm. What is the youngs modulus of rubber 5x106Nm-2.
