हिंदी

In an ideal gas, the molecules possess ______.

Advertisements
Advertisements

प्रश्न

In an ideal gas, the molecules possess ______.

विकल्प

  • Only kinetic energy

  • Both kinetic energy and potential energy

  • Only potential energy

  • Neither kinetic energy nor potential energy

MCQ
रिक्त स्थान भरें
Advertisements

उत्तर

In an ideal gas, the molecules possess only kinetic energy.

Explanation:

In an ideal gas, all the internal energy is in the form of kinetic energy, and any change in internal energy is accompanied by a change in temperature.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 3: Kinetic Theory of Gases and Radiation - Exercises [पृष्ठ ७३]

APPEARS IN

बालभारती Physics [English] Standard 12 Maharashtra State Board
अध्याय 3 Kinetic Theory of Gases and Radiation
Exercises | Q 1.1 | पृष्ठ ७३

संबंधित प्रश्न

Consider a gas of neutrons. Do you expect it to behave much better as an ideal gas as compared to hydrogen gas at the same pressure and temperature?


Which of the following parameters is the same for molecules of all gases at a given temperature?


The temperature and pressure at Simla are 15.0°C and 72.0 cm of mercury and at Kalka these are 35.0°C and 76.0 cm of mercury. Find the ratio of air density at Kalka to the air density at Simla.

Use R=8.314J K-1 mol-1


The mean speed of the molecules of a hydrogen sample equals the mean speed of the molecules of a helium sample. Calculate the ratio of the temperature of the hydrogen sample to the temperature of the helium sample.

Use R = 8.314 JK-1 mol-1


At what temperature the mean speed of the molecules of hydrogen gas equals the escape speed from the earth?

Use R = 8.314 JK-1 mol-1


During an experiment, an ideal gas is found to obey an additional law pV2 = constant. The gas is initially at a temperature T and volume V. Find the temperature when it expands to a volume 2V.

Use R = 8.3 J K-1 mol-1


Figure shows two vessels A and B with rigid walls containing ideal gases. The pressure, temperature and the volume are pA, TA, V in the vessel A and pB, TB, V in the vessel B. The vessels are now connected through a small tube. Show that the pressure p and the temperature T satisfy `Ρ/T = 1/2 ({P_A}/{T_A}+{P_B}/{T_B))` when equilibrium is achieved.


The temperature and the dew point in an open room are 20°C and 10°C. If the room temperature drops to 15°C, what will be the new dew point?


Using figure, find the boiling point of methyl alcohol at 1 atm (760 mm of mercury) and at 0.5 atm.


If a = 0.72 and r = 0.24, then the value of tr is ______.


Answer in brief:

What will happen to the mean square speed of the molecules of a gas if the temperature of the gas increases?


At what temperature will oxygen molecules have same rms speed as helium molecules at S.T.P.? (Molecular masses of oxygen and helium are 32 and 4 respectively).


If the density of oxygen is 1.44 kg/m3 at a pressure of 105 N/m2, find the root mean square velocity of oxygen molecules.


Compare the rates of emission of heat by a blackbody maintained at 727°C and at 227°C, if the black bodies are surrounded by an enclosure (black) at 27°C. What would be the ratio of their rates of loss of heat?


Under which condition laws of Boyle, Charles, and Gay-Lussac are valid?


Why the temperature of all bodies remains constant at room temperature?


If the density of nitrogen is 1.25 kg/m3 at a pressure of 105 Pa, find the root mean square velocity of nitrogen molecules. 


Explain in detail the kinetic interpretation of temperature.


Average kinetic energy of H2 molecule at 300K is 'E'. At the same temperature, average kinetic energy of O2 molecule will be ______.


Assuming the expression for the pressure exerted by the gas on the wall of the container, it can be shown that pressure is ______.


A molecule consists of two atoms each of mass 'm' and separated by a distance 'd'. At room temperature the average rotational kinetic energy is 'E', then its angular frequency is ______.


The average translational kinetic energy of a molecule in a gas is 'E1'. The kinetic energy of the electron (e) accelerated from rest through p.d. 'V' volt is 'E2'. The temperature at which E1 = E2 is possible, is ______.


An ideal gas in a container of volume 500 cc is at a pressure of 2 × 105 N/m2. The average kinetic energy of each molecule is 6 × 10−21 J. The number of gas molecules in the container is ______. 


An inflated rubber balloon contains one mole of an ideal gas, has a pressure p, volume V and temperature T. If the temperature rises to 1.1 T, and the volume is increased to 1.05 V, the final pressure will be ______.


Consider a rectangular block of wood moving with a velocity v0 in a gas at temperature T and mass density ρ. Assume the velocity is along x-axis and the area of cross-section of the block perpendicular to v0 is A. Show that the drag force on the block is `4ρAv_0 sqrt((KT)/m)`, where m is the mass of the gas molecule.


The Q-value of a nuclear reaction and kinetic energy of the projectile particle, KP are related as ______.


For a particle moving in vertical circle, the total energy at different positions along the path ______.


If a = 0. 72 and t = 0.04, then the value of r is ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×