An ideal gas follows the ideal gas law without interactions between molecules. It obeys Boyle’s, Charles’s, and Avogadro’s laws. Its particles move randomly in constant motion. Collisions are perfectly elastic. Temperature relates to kinetic energy. It is hypothetical and useful in thermodynamics, chemistry and physics for simplifying gas behavior.
Class 11 Physics covers Waves in Chapter 12 for the CBSE Exam 2024-25. It explains wave motion, types of waves, characteristics of waves, and wave equations. It includes superposition principle, reflection, refraction, and Doppler effect. Concepts of sound waves, light waves, and their applications are discussed. This chapter helps in understanding various wave phenomena.
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The kinetic energy of one mole of an ideal gas is given by:
KE = (3/2) RT
where:
– R is the universal gas constant,
– T is the absolute temperature in Kelvin.
This equation follows from the kinetic theory of gases, which states that the total kinetic energy of gas molecules is directly proportional to temperature.
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