JEE Questions for Physics Mechanical Properties Of Solids Quiz 12 - MCQExams.com

The relation between γ, η and K for an elastic material is

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  • 2)
    Physics-Mechanical Properties of Solids-80185.png

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The graph shows the behavior of a length of wire in the region for which the substance obeys Hooke\'s law. P and Q represent
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  • P = applied force, Q = extension
  • P = extension, Q = applied force
  • P = extension, Q = stored elastic energy
  • P = stored elastic energy, Q = extension
The potential energy U between two molecules as a function of the distance X between them has been shown in the figure. The two molecules are
Physics-Mechanical Properties of Solids-80190.png
  • Attracted when x lies between A and B and are repelled when X lies between B and C
  • Attracted when x lies between B and C and are repelled when X lies between A and B
  • Attracted when they reach B
  • Repelled when they reach B
The diagram shows the change x in the length of a thin uniform wire caused by the application of stress F at two different temperatures T1 and T2. The variations shown suggest that
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  • T1 > T2
  • T1 < T2
  • T1 = T2
  • None of these
A student plots a graph from his reading on the determination of Young\'s modulus of a metal wire but forgets to label. The quantities on X and Y axes may be respectively.
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  • Weight hung and length increased
  • Stress applied and length increased
  • Stress applied and strain developed
  • Length increased and weight hung
0:0:1


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