Elastic Moduli
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369745 A rod has Poisson's ratio 0.2. If a rod suffers longitudinal strain of \(2 \times 10^{-3}\), then the percentage change in volume is

1 -0.12
2 +0.12
3 -0.28
4 0.28
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369746 A \(3\;cm\) long copper wire is stretched to increase its length by \(0.3\;cm\) Find the lateral strain in the wire, if the poison's ratio for it is 0.26 .

1 0.013
2 0.018
3 0.026
4 0.016
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369747 For a given material the Young's modulus is 2.4 times that of its rigidity modulus. Its poison's ratio is

1 2.4
2 1.2
3 0.4
4 0.2
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369748 When a wire of length \(10\;m\) is subjected to a force of \(100\;N\) along its length, the lateral strain produced is \(0.01 \times 10^{-3}\). The poisson's ratio was found to be 0.4. If the area of cross-section of wire is \(0.025\;{m^2}\), then its Young's modulus is

1 \(2.5 \times {10^{10}}\;N/{m^2}\)
2 \(1.6 \times {10^8}\;N/{m^2}\)
3 \(16 \times {10^9}\;N/{m^2}\)
4 \(12.5 \times {10^{11}}\;N/{m^2}\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369749 A copper wire of cross-section \(A\) is under tension \(T\). Find the dfractional decrease in the crosssectional area (Young's modulus is \(Y\) and Poisson's ratio is \(\sigma\) )

1 \(\dfrac{2 \sigma T}{A Y}\)
2 \(\dfrac{A Y}{2 \sigma T}\)
3 \(\dfrac{3 A Y}{2 \sigma T}\)
4 \(\dfrac{\sigma T}{A Y}\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369745 A rod has Poisson's ratio 0.2. If a rod suffers longitudinal strain of \(2 \times 10^{-3}\), then the percentage change in volume is

1 -0.12
2 +0.12
3 -0.28
4 0.28
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369746 A \(3\;cm\) long copper wire is stretched to increase its length by \(0.3\;cm\) Find the lateral strain in the wire, if the poison's ratio for it is 0.26 .

1 0.013
2 0.018
3 0.026
4 0.016
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369747 For a given material the Young's modulus is 2.4 times that of its rigidity modulus. Its poison's ratio is

1 2.4
2 1.2
3 0.4
4 0.2
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369748 When a wire of length \(10\;m\) is subjected to a force of \(100\;N\) along its length, the lateral strain produced is \(0.01 \times 10^{-3}\). The poisson's ratio was found to be 0.4. If the area of cross-section of wire is \(0.025\;{m^2}\), then its Young's modulus is

1 \(2.5 \times {10^{10}}\;N/{m^2}\)
2 \(1.6 \times {10^8}\;N/{m^2}\)
3 \(16 \times {10^9}\;N/{m^2}\)
4 \(12.5 \times {10^{11}}\;N/{m^2}\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369749 A copper wire of cross-section \(A\) is under tension \(T\). Find the dfractional decrease in the crosssectional area (Young's modulus is \(Y\) and Poisson's ratio is \(\sigma\) )

1 \(\dfrac{2 \sigma T}{A Y}\)
2 \(\dfrac{A Y}{2 \sigma T}\)
3 \(\dfrac{3 A Y}{2 \sigma T}\)
4 \(\dfrac{\sigma T}{A Y}\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369745 A rod has Poisson's ratio 0.2. If a rod suffers longitudinal strain of \(2 \times 10^{-3}\), then the percentage change in volume is

1 -0.12
2 +0.12
3 -0.28
4 0.28
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369746 A \(3\;cm\) long copper wire is stretched to increase its length by \(0.3\;cm\) Find the lateral strain in the wire, if the poison's ratio for it is 0.26 .

1 0.013
2 0.018
3 0.026
4 0.016
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369747 For a given material the Young's modulus is 2.4 times that of its rigidity modulus. Its poison's ratio is

1 2.4
2 1.2
3 0.4
4 0.2
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369748 When a wire of length \(10\;m\) is subjected to a force of \(100\;N\) along its length, the lateral strain produced is \(0.01 \times 10^{-3}\). The poisson's ratio was found to be 0.4. If the area of cross-section of wire is \(0.025\;{m^2}\), then its Young's modulus is

1 \(2.5 \times {10^{10}}\;N/{m^2}\)
2 \(1.6 \times {10^8}\;N/{m^2}\)
3 \(16 \times {10^9}\;N/{m^2}\)
4 \(12.5 \times {10^{11}}\;N/{m^2}\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369749 A copper wire of cross-section \(A\) is under tension \(T\). Find the dfractional decrease in the crosssectional area (Young's modulus is \(Y\) and Poisson's ratio is \(\sigma\) )

1 \(\dfrac{2 \sigma T}{A Y}\)
2 \(\dfrac{A Y}{2 \sigma T}\)
3 \(\dfrac{3 A Y}{2 \sigma T}\)
4 \(\dfrac{\sigma T}{A Y}\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369745 A rod has Poisson's ratio 0.2. If a rod suffers longitudinal strain of \(2 \times 10^{-3}\), then the percentage change in volume is

1 -0.12
2 +0.12
3 -0.28
4 0.28
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369746 A \(3\;cm\) long copper wire is stretched to increase its length by \(0.3\;cm\) Find the lateral strain in the wire, if the poison's ratio for it is 0.26 .

1 0.013
2 0.018
3 0.026
4 0.016
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369747 For a given material the Young's modulus is 2.4 times that of its rigidity modulus. Its poison's ratio is

1 2.4
2 1.2
3 0.4
4 0.2
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369748 When a wire of length \(10\;m\) is subjected to a force of \(100\;N\) along its length, the lateral strain produced is \(0.01 \times 10^{-3}\). The poisson's ratio was found to be 0.4. If the area of cross-section of wire is \(0.025\;{m^2}\), then its Young's modulus is

1 \(2.5 \times {10^{10}}\;N/{m^2}\)
2 \(1.6 \times {10^8}\;N/{m^2}\)
3 \(16 \times {10^9}\;N/{m^2}\)
4 \(12.5 \times {10^{11}}\;N/{m^2}\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369749 A copper wire of cross-section \(A\) is under tension \(T\). Find the dfractional decrease in the crosssectional area (Young's modulus is \(Y\) and Poisson's ratio is \(\sigma\) )

1 \(\dfrac{2 \sigma T}{A Y}\)
2 \(\dfrac{A Y}{2 \sigma T}\)
3 \(\dfrac{3 A Y}{2 \sigma T}\)
4 \(\dfrac{\sigma T}{A Y}\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369745 A rod has Poisson's ratio 0.2. If a rod suffers longitudinal strain of \(2 \times 10^{-3}\), then the percentage change in volume is

1 -0.12
2 +0.12
3 -0.28
4 0.28
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369746 A \(3\;cm\) long copper wire is stretched to increase its length by \(0.3\;cm\) Find the lateral strain in the wire, if the poison's ratio for it is 0.26 .

1 0.013
2 0.018
3 0.026
4 0.016
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369747 For a given material the Young's modulus is 2.4 times that of its rigidity modulus. Its poison's ratio is

1 2.4
2 1.2
3 0.4
4 0.2
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369748 When a wire of length \(10\;m\) is subjected to a force of \(100\;N\) along its length, the lateral strain produced is \(0.01 \times 10^{-3}\). The poisson's ratio was found to be 0.4. If the area of cross-section of wire is \(0.025\;{m^2}\), then its Young's modulus is

1 \(2.5 \times {10^{10}}\;N/{m^2}\)
2 \(1.6 \times {10^8}\;N/{m^2}\)
3 \(16 \times {10^9}\;N/{m^2}\)
4 \(12.5 \times {10^{11}}\;N/{m^2}\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369749 A copper wire of cross-section \(A\) is under tension \(T\). Find the dfractional decrease in the crosssectional area (Young's modulus is \(Y\) and Poisson's ratio is \(\sigma\) )

1 \(\dfrac{2 \sigma T}{A Y}\)
2 \(\dfrac{A Y}{2 \sigma T}\)
3 \(\dfrac{3 A Y}{2 \sigma T}\)
4 \(\dfrac{\sigma T}{A Y}\)