Entry Test MCQ :: Physics Of Solids

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A rubber cord of cross-sectional area 2cm2 has a length of 1m. When a tensile force of 10N is applied the length of the cord increases by 1cm. What is the youngs modulus of rubber?

[A].	2x108 Nm-2	[B].	5x106 Nm-2
[C].	0.5x10-6 Nm-2	[D].	0.2x10-6Nm-2

Answer: Option B

Tausef said:

Mathematical explanation???

Anmol said:

Y=F.l/?l.A By putting given values the ans will be option b

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