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Young's Modulus of Elasticity

The slope of ...

Question

The slope of a Normal stress vs Linear strain in the linear region of the graph for a copper wire gives us

A

Young's modulus

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B

Rigidity modulus

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C

Bulk's modulus

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D

Poisson's ratio

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Solution

The correct option is A Young's modulus
Slope of the straight line = stress/strain= young's modulus
The correct option is (a)

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Q. Figure shows a graph of stress vs strain for four materials
The materials with heighest value of youngs modulus is

Q. Assertion :The stress-strain graphs are shown in the figure for two materials

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are shown in figure. Young's modulus of

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. Reason: The Young's modules for small strain is,

Y = \frac{s t r e s s}{s t r a i n}

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