Copper of fixed volume $V$ is drawn into wire of  length $l$. When this wire is subjected to a constant force $F$, the extension produced in the wire is $\Delta l$. Which of the following graphs is a straight line?
  • A$\Delta l \rightarrow  \frac {1}{l}$
  • B$\Delta l \rightarrow  l^2$
  • C$ \Delta l \rightarrow  \frac {1}{l^2}$
  • D$\Delta l \rightarrow  l$
AIPMT 2014, 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.*

Similar Questions

  • 1
    A cubical solid aluminium (bulk modulus $=-V \frac{ dP }{ dV }=70 GPa$ ) block has an edge length of $1 m$ on the surface of the earth. It is kept on the floor of a $5 km$ deep ocean. Taking the average density of water and the acceleration due to gravity to be $10^3 kg m ^{-3}$ and $10 ms ^{-2}$, respectively, the change in the edge length of the block in $mm$ is . . . . .
    View Solution
  • 2
    A graph is shown between stress and strain for a metal. The part in which Hooke's law holds good is
    View Solution
  • 3
    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
  • 4
    To keep constant time, watches are fitted with balance wheel made of
    View Solution
  • 5
    The graph shows the behaviour of a length of wire in the region for which the substance obeys Hook’s law. $P$ and $Q$ represent
    View Solution
  • 6
    A steel wire of length $3.2 m \left( Y _{ S }=2.0 \times 10^{11}\,Nm ^{-2}\right)$ and a copper wire of length $4.4\,M$ $\left( Y _{ C }=1.1 \times 10^{11}\,Nm ^{-2}\right)$, both of radius $1.4\,mm$ are connected end to end. When stretched by a load, the net elongation is found to be $1.4\,mm$. The load applied, in Newton, will be. (Given $\pi=\frac{22}{7}$)
    View Solution
  • 7
    A rod of length $l$ and area of cross-section $A$ is heated from $0°C$ to $100°C$. The rod is so placed that it is not allowed to increase in length, then the force developed is proportional to
    View Solution
  • 8
    If $Y, K$ and $\eta$ are the values of Young's modulus, bulk modulus and modulus of rigidity of any material respectively. Choose the correct relation for these parameters.
    View Solution
  • 9
    Which of the following statements is correct
    View Solution
  • 10
    A wire fixed at the upper end stretches by length $l$ by applying a force $F$. The work done in stretching is
    View Solution