Young's modulus is a measure of a material's:
Density
Ductility
Stiffness
Plasticity
Related Questions
A coil spring made of material X stretches by 2 cm when a force of 10 N is applied. Another spring of identical dimensions, made of material Y, stretches by 1 cm under the same force. Which material has a higher shear modulus?
Material X
Material Y
Both materials have the same shear modulus
Cannot be determined from the given information
A wire of length , area of cross section is hanging from a fixed support. The length of the wire changes to when mass is suspended from its free end. The expression for Young’s modulus is:
A rubber rope of length is hung from the ceiling of a room. What is the increase in length of the rope due to its own weight ? (Given Young’s modulus of elasticity of rubber = and density of rubber = . Take g =
Two steel wires have equal volumes, their diameters are in the ratio . When same force is applied on them, the elongation produced will be in the ratio of
A rod is fixed between two points at . The coefficient of linear expansion of material of rod is and Young’s modulus is . Find the stress developed in the rod if temperature of rod becomes
Two wires of the same material and length are stretched by the same force. Their masses are in the ratio . Their elongations are in the ratio
A metal wire of length and radius is fixed at one end. A force is applied to the other end, twisting it through an angle . If the modulus of rigidity of the material is , the work done in twisting the wire is:
\frac{\pi \eta r^4 heta^2}{4L}
\frac{\pi \eta r^4 heta}{2L}
\frac{\pi \eta r^2 heta^2}{4L}
\frac{\pi \eta r^3 heta^2}{2L}
A wire elongates by when a load is hanged from it. If the wire goes over a pulley and two weights each are hung at the two ends, the elongation of the wire will be (in )
Zero
A metal wire of Young's modulus undergoes a strain of . What is the energy stored per unit volume in the wire?
10^4 J/m^3
10^5 J/m^3
10^6 J/m^3
10^7 J/m^3