During the melting of a slab of ice at $273\, K$ at atmospheric pressure
  • A
    Positive work is done by ice-water system on the atmosphere
  • B
    Positive work is done on the ice-water system by the atmosphere
  • C
    The internal energy of the ice-water system increases
  • D$(B)$ and $(C)$ both
IIT 1998, Medium
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
    $P-V$ diagram of a cyclic process $ABCA$ is as shown in figure. Choose the correct statement
    View Solution
  • 2
    A bubble from bottom of lake rises to its surface. Its volume doubles in the process. Assuming isothermal conditions, atmospheric pressure $= 75\, cm$ of $Hg$ and ratio of densities of mercury and water $40/3$. The depth of lake will be ..... $m$
    View Solution
  • 3
    Which of the following is incorrect regarding the first law of thermodynamics
    View Solution
  • 4
    A Carnot engine absorbs an amount $Q$ of heat from a reservoir at an abosolute temperature $T$ and rejects heat to a sink at a temperature of $T/3.$ The amount of heat rejected is
    View Solution
  • 5
    A  refrigerator works between $4^o C$ and $30^o C.$  It is required to remove $600$ calories of heat every second in order to keep the temperature of the refrigerated space constant. The power required is ....... $W$ (Take $1\, cal \,=\, 4.2\, Joules\,)$ 
    View Solution
  • 6
    The pressure of a gas changes linearly with volume from $A$ to $B$ as shown in figure. If no heat is supplied to or extracted from the gas then change in the internal energy of the gas will be $............\,J$
    View Solution
  • 7
    Two moles of helium gas are taken over the cycle $ABCDA$, as shown in the $P-T$ diagram. The net work done on the gas in the cycle $ABCDA$ is ...... $R$
    View Solution
  • 8
    One mole of an ideal gas is taken through an adiabatic process where the temperature rises from $27^{\circ} {C}$ to $37^{\circ} {C}$. If the ideal gas is composed of polyatomic molecule that has $4$ vibrational modes which of the following is true?
    View Solution
  • 9
    Two gases of equal mass are in thermal equilibrium. If ${P_a},\,{P_b}$ and ${V_a}$ and ${V_b}$ are their respective pressures and volumes, then which relation is true
    View Solution
  • 10
    A system goes from $A$ to $B$ via two processes $I$ and $II$ as shown in figure. If $\Delta {U_1}$ and $\Delta {U_2}$ are the changes in internal energies in the processes $I$ and $II$ respectively, then
    View Solution