“Heat cannot by itself flow from a body at lower temperature to a body at higher temperature” is a statement or consequence of
AIEEE 2003, Medium
Download our appand 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
- 1View SolutionWhich of the following can be coefficient of performance of refrigerator?
- 2A Container having $1$ mole of a gas at a temperature $27°C$ has a movable piston which maintains at constant pressure in container of $1 \,atm.$ The gas is compressed until temperature becomes $127°C$. The work done is ........ $J$ ($C_P$ for gas is $7.03\, cal/mol-K)$View Solution
- 3An ideal monoatomic gas is confined in a horizontal cylinder by a spring loaded piston (as shown in the figure). Initially the gas is at temperature $T _1$, pressure $P_1$ and volume $V_1$ and the spring is in its relaxed state. The gas is then heated very slowly to temperature $T_2$, pressure $P _2$ and volume $V _2$. During this process the piston moves out by a distance $x$. Ignoring the friction between the piston and the cylinder, the correct statement$(s)$ is(are)View Solution
$(A)$ If $V_2=2 V_1$ and $T_2=3 T_1$, then the energy stored in the spring is $\frac{1}{4} P_1 V_1$
$(B)$ If $V_2=2 V_1$ and $T_2=3 T_1$, then the change in internal energy is $3 P_1 V_1$
$(C)$ If $V_2=3 V_1$ and $T_2=4 T_1$, then the work done by the gas is $\frac{7}{3} P_1 V_1$
$(D)$ If $V_2=3 V_1$ and $T_2=4 T_1$, then the heat supplied to the gas is $\frac{17}{6} P_1 V_1$
- 4A cyclic process $ABCD$ is shown in the figure $P-V$ diagram. Which of the following curves represent the same processView Solution
- 5$P-V$ diagram of a cyclic process $ABCA$ is as shown in figure. Choose the correct statementView Solution
- 6In the following $P-V$ diagram two adiabatics cut two isothermals at temperatures $T_1$ and $T_2$ (fig.). The value of $\frac{{{V_a}}}{{{V_d}}}$ will beView Solution
- 7An ideal Carnot engine, whose efficiency is $40 \%$ receives heat at $500\; K$. If its efficiency is $50 \%$ then the intake temperature for the same exhaust temperature is ......... $K$View Solution
- 8A gas is enclosed in a cylinder with a movable frictionless piston. Its initikl thermodynamic state at pressure $P_i=10^5 \mathrm{~Pa}$ and volume $V_i=10^{-3} \mathrm{~m}^3$ chanıes to i final state at $P_f=(1 / 32) \times 10^5 \mathrm{~Pa}$ and $V_f=8 \times 10^{-3} \mathrm{~m}^3$ in an adiabatic quasi-static process, such that $P^3 V^5=$ constant. Consider another thermodynamic process that brings the system from the same initial state to the same final state in two steps: an isobaric expansion at $P$, followed by an isochoric (isovolumetric) process at volume $V_f$. The amount of heat supplied to the system in the two-step process is approximatelyView Solution
- 9View SolutionThe efficiency of a Carnot engine depends upon
- 10An ideal heat engine working between temperature $T_1$ and $T_2 $ has an efficiency $\eta$, the new efficiency if both the source and sink temperature are doubled, will beView Solution