Physics
Consider two containers A and B containing identical gases at the same pressure, volume and temperature. The gas in container A is compressed to half of its original volume isothermally while the gas in container B is compressed to half of its original value adiabatically. The ratio of final pressure of gas in B to that of gas in A is
13
Sep
Consider two containers A and B containing identical gases at the same pressure, volume and temperature. The gas in container A is compressed to half of its original volume isothermally while the gas in container B is compressed to half of its original value adiabatically. The ratio of final pressure of gas in B to [...]
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2 ,
3 and 4 which one is adiabatic. ,
An ideal gas undergoes four different processes from the same initial state (Fig. 12.1) in P-V diagram. Four processes are adiabatic ,
Consider two containers A and B containing identical gases at the same pressure ,
isobaric and isochoric. Out of 1 ,
isothermal ,
An ideal gas undergoes cyclic process ABCDA as shown in given P−V diagram. The amount of work done by the gas is
13
Sep
An ideal gas undergoes cyclic process ABCDA as shown in given P−V diagram. The amount of work done by the gas is An ideal gas undergoes cyclic process ABCDA as shown in given P−V diagram. The amount of work done by the gas is September 13, 2021 Category: Chapter 11 - Thermodynamics , NCERT Exemplar [...]
Consider P−V diagram for an ideal gas shown in figure. Out of the following diagrams, which represents the T−P diagram?
13
Sep
Consider P−V diagram for an ideal gas shown in figure. Out of the following diagrams, which represents the T−P diagram? Consider P−V diagram for an ideal gas shown in figure. Out of the following diagrams which represents the T−P diagram? September 13, 2021 Category: Chapter 11 - Thermodynamics , NCERT Exemplar Class 11 , Physics [...]
If an average person jogs, he produces 14.5 × 10^3 cal per minute. This is removed by the evaporation of sweat. The amount of sweat evaporated per minute (assuming 1 kg requires 580 × 10^3 cal for evaporation) is
13
Sep
If an average person jogs, he produces 14.5 × 10^3 cal per minute. This is removed by the evaporation of sweat. The amount of sweat evaporated per minute (assuming 1 kg requires 580 × 10^3 cal for evaporation) is he produces 14.5 × 10^3 cal per minute. This is removed by the evaporation of sweat. [...]
An ideal gas undergoes four different processes from the same initial state (Fig. 12.1) in P-V diagram. Four processes are adiabatic, isothermal, isobaric and isochoric. Out of 1, 2, 3 and 4 which one is adiabatic.
13
Sep
An ideal gas undergoes four different processes from the same initial state (Fig. 12.1) in P-V diagram. Four processes are adiabatic, isothermal, isobaric and isochoric. Out of 1, 2, 3 and 4 which one is adiabatic. 2 3 and 4 which one is adiabatic. An ideal gas undergoes four different processes from the same initial [...]
At what temperature is the root mean square speed of an atom in an argon gas cylinder equal to the rms speed of a helium gas atom at – 20 °C? (atomic mass of Ar = 39.9 u, of He = 4.0 u).
13
Sep
At what temperature is the root mean square speed of an atom in an argon gas cylinder equal to the rms speed of a helium gas atom at – 20 °C? (atomic mass of Ar = 39.9 u, of He = 4.0 u). At what temperature is the root mean square speed of an atom [...]
Three vessels of equal capacity have gases at the same temperature and pressure. The first vessel contains neon (monatomic), the second contains chlorine (diatomic), and the third contains uranium hexafluoride (polyatomic). Do the vessels contain equal number of respective molecules? Is the root mean square speed of molecules the same In the three cases? If not, in which case is Vrms the largest?
13
Sep
Three vessels of equal capacity have gases at the same temperature and pressure. The first vessel contains neon (monatomic), the second contains chlorine (diatomic), and the third contains uranium hexafluoride (polyatomic). Do the vessels contain equal number of respective molecules? Is the root mean square speed of molecules the same In the three cases? If [...]
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and the third contains uranium hexafluoride (polyatomic). Do the vessels contain equal number of respective molecules? Is the root mean square speed of molecules the same In the three cases? If not ,
in which case is Vrms the largest? ,
the second contains chlorine (diatomic) ,
Three vessels of equal capacity have gases at the same temperature and pressure. The first vessel contains neon (monatomic) ,
From a certain apparatus, the diffusion rate of hydrogen has an average value of 28.7 cm^3 s−1. The diffusion of another gas under the same conditions is measured to have an average rate of 7.2 cm^3 s−1. The gas is
13
Sep
From a certain apparatus, the diffusion rate of hydrogen has an average value of 28.7 cm^3 s−1. The diffusion of another gas under the same conditions is measured to have an average rate of 7.2 cm^3 s−1. The gas is From a certain apparatus the diffusion rate of hydrogen has an average value of 28.7 [...]
Estimate the average thermal energy of a helium atom at (i) room temperature (27 °C), (ii) the temperature on the surface of the Sun (6000 K), (iii) the temperature of 10 million Kelvin (the typical core temperature in the case of a star).
13
Sep
Estimate the average thermal energy of a helium atom at (i) room temperature (27 °C), (ii) the temperature on the surface of the Sun (6000 K), (iii) the temperature of 10 million Kelvin (the typical core temperature in the case of a star). (ii) the temperature on the surface of the Sun (6000 K) (iii) [...]
Estimate the total number of air molecules (inclusive of oxygen, nitrogen, water vapour and other constituents) in a room of capacity 25.0 m^3 at a temperature of 27 C and 1 atm pressure.
13
Sep
Estimate the total number of air molecules (inclusive of oxygen, nitrogen, water vapour and other constituents) in a room of capacity 25.0 m^3 at a temperature of 27 C and 1 atm pressure. Estimate the total number of air molecules (inclusive of oxygen nitrogen water vapour and other constituents) in a room of capacity 25.0 [...]