Heat and Thermodynamics PYQs - Last 5 Years

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Practice 18 VITEEE Physics questions from Heat and Thermodynamics. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.

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Last 5 Years Heat and Thermodynamics Questions

Showing 18 of 18 filtered questions.

1Heat And Thermodynamics

A flask contains argon and chlorine in the ratio of $2: 1$ by mass, the temperature of mixture is $27^{\circ} \mathrm{C}$, the ratio of root mean square ( $U_{\mathrm{rms}}$ ) of the molecule of two gases (Given, Atomic mass of argon $=39.9...

2Heat And Thermodynamics

Two identical long solid cylinders are used to conduct heat from temperature $T_1$ to temperature $T_2$. Originally, the cylinders are connected in series and the rate of heat transfer is $H$. If the cylinders are connected in parallel, the...

3Heat And Thermodynamics

When the ideal monoatomic gas is heated at constant pressure fraction of heat energy supplied which increases the internal energy of gas is

4Heat And Thermodynamics

A cyclic process for 1 mole of an ideal is shown in the $V-T$ diagram. The work done in $A B, B C$ and $C A$ respectively is

5Heat And Thermodynamics

Two different ideal diatomic gases $A$ and $B$ are initially in the same state. $A$ and $B$ are then expanded to same final volume through adiabatic and isothermal process, respectively. If $p_A, p_B$ and $T_A, T_B$ represent the final pres...

6Heat And Thermodynamics

Variation of internal energy with density of one mole of monoatomic gas is depicted in the below figure, corresponding variation of pressure with volume can be depicted as (assuming the curve is rectangular hyperbola)

7Heat And Thermodynamics

0.5 mole of an ideal gas at constant temperature \(27^{\circ} \mathrm{C}\) kept inside a cylinder of length \(L\) and cross-section \(A\) closed by a massless piston. The cylinder is attached with a conducting rod of length L\(_1\) cross-se...

8Heat And Thermodynamics

Two gases occupy two containers \(A\) and \(B\). The gas in \(A\) of volume \(0.20 \mathrm{~m}^3\), exerts a pressure of \(1.40 \mathrm{~MPa}\) and that in \(B\), of volume \(0.30 \mathrm{~m}^3\) exerts a pressure of \(0.7 \mathrm{~MPa}\). ...

9Heat And Thermodynamics

A copper sphere cools from \(82^{\circ} \mathrm{C}\) to \(50^{\circ} \mathrm{C}\) in 10 minutes and to \(42^{\circ} \mathrm{C}\) in the next \(10 \mathrm{~min}\). Calculate the temperature of the surrounding?

10Heat And Thermodynamics

If the ratio of specific heat of a gas at constant pressure to that at constant volume is \(\gamma\), the change in internal energy of the given mass of gas, when the volume changes from \(V\) to \(2 V\) at constant pressure \(p\) is

11Heat And Thermodynamics

From Wien's displacement law, \(\lambda_m T=\) constant \(=0.00289 \mathrm{~m}-\mathrm{K}\)
Radiation from moon givens \(\lambda_m=4700 \mathop A\limits^o\) and another wavelength of \(14 \times 10^{-6} \mathrm{~m}\). Out of the following w...

12Heat And Thermodynamics

If two metallic plates of equal thickness and thermal conductivities \(K_1\) and \(K_2\) are put together face to face and a common plate is constructed, then the equivalent thermal conductivity of this plate will be

13Heat And Thermodynamics

If 2 moles of an ideal monoatomic gas at temperature \(T_0\) is mixed with 4 moles of another ideal monoatomic gas at temperature \(2 T_0\), then the temperature of the mixture is

14Heat And Thermodynamics

An electrically heated coil is immersed in a calorimeter containing \(360 \mathrm{~g}\) of water at \(10^{\circ} \mathrm{C}\). The coil consumes energy at the rate of \(90 \mathrm{~W}\). The water equivalent of calorimeter and coil is $$40 ...

15Heat And Thermodynamics

The velocity of sound in a gas is \(1300 \mathrm{~m} / \mathrm{s}\) at STP and specific heat at constant pressure is \(6.84 \mathrm{~cal} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}\). The rms velocity at STP is $$(R=1.98 \mathrm{~cal} \mathrm{~K}^...

16Heat And Thermodynamics

According to equipartition law of energy each particle in a system of particles have thermal energy \(E\) equal to

17Heat And Thermodynamics

The efficiency of a Carnot engine kept at the temperatures of \(27^{\circ} \mathrm{C}\) and \(127^{\circ} \mathrm{C}\) is

18Heat And Thermodynamics

The zeroth law of thermodynamics for three systems \(A, B\) and \(C\) in contact demands that