Download App
Mark the wrong statement
  • A
    Sliding of molecular layer is much easier than compression or expansion
  • B
    Reciprocal of bulk modulus of elasticity is called compressibility
  • C
    It is difficult to twist a long rod as compared to small rod
  • D
    Hollow shaft is much stronger than a solid rod of same length and same mass
Easy
art

Download our app
and get started for free

Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*
Download App

Similar Questions

  • 1
    An elevator cable can have a maximum stress of $7 \times 10^7\,N/m^2$ for appropriate safety factors. Its maximum upward acceleration is $1.5\,m/s^2$ . If the cable has to support the total weight of $2000\,kg$ of a loaded elevator, the minimum area of crosssection of the cable should be ....... $cm^2$  $(g = 10\,m/s^2)$
    View Solution
  • 2
    Why the spring is made up of steel in comparison of copper
    View Solution
  • 3
    On all the six surfaces of a unit cube, equal tensile force of $F$ is applied. The increase in length of each side will be ($Y =$ Young's modulus, $\sigma $= Poission's ratio)
    View Solution
  • 4
    Stress vs strain curve for the elastic tissue of the aorta, the large tube (vessel) carrying blood from the heart, will be : [stress is proportional to square of the strain for the elastic tissue of the aorta]
    View Solution
  • 5
    Minimum and maximum values of Poisson’s ratio for a metal lies between
    View Solution
  • 6
    Shear modulus is zero for
    View Solution
  • 7
    A wire can be broken by applying a load of $20\, kg$ weight. The force required to break the wire of twice the diameter is .......... $kg\, wt$
    View Solution
  • 8
    A cube of metal is subjected to a hydrostatic pressure of $4\;GPa.$ The percentage change in the length of the side of the cube is close to.......$\%$
    (Given bulk modulus of metal, $B =8 \times 10^{10}\, Pa$ )
    View Solution
  • 9
    The area of cross-section of a wire of length $1.1$ metre is $1$ $mm^2$. It is loaded with $1 \,kg.$ If Young's modulus of copper is $1.1 \times {10^{11}}\,N/{m^2}$, then the increase in length will be ......... $mm$ (If $g = 10\,m/{s^2})$
    View Solution
  • 10
    The elastic limit of brass is $3.5 \times 10^{10}\,N / m ^2$. Find the maximum load that can be applied to a brass wire of $0.75\,mm$ diameter without exceeding the elastic limit$.......\times 10^4\,N$
    View Solution