Physics - Elasticity Question with Solution | TestHub
PhysicsElasticityMiscellaneousHard2 minQB
PhysicsHardsingle choice
A slightly conical wire of length and end radii and is stretched by two forces , applied parallel to length in opposite directions and normal to end faces. If denotes the Young's modulus, then extension produced is
Options:
Answer:
C
Solution:
Radius at distance from the thin end:
Extension of a thin slice:
Check: for this gives , the usual result.
Subject:PhysicsTopic:ElasticitySubtopic:Miscellaneous
⏱ 2mℹ️ Source: QB
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