ncert solutions physics class 11th

The speed of a wave can be found by the medium properties through which it travels. For mechanical waves, the speed of the wave depends on the inertia and elasticity of the medium. For example, the speed of a wave is dependent on the mass of the wave per unit length and the tension in the string.&nb

When two waves of the same amplitude, frequency and speed travel in opposite directions and collide with each other, then a standing wave is formed. It is usually seen in the bounded medium, like a string fixed at both ends. It is different from the travelling waves and does not appear to move along

According to the principle of superposition, when two or more waves overlap in space, due to each individual wave, at any point the displacement is the vector sum of the displacements. The principle of superposition also explains phenomena like interference where waves combine to amplify or cancel o

Mechanical waves are of two types - transverse waves and longitudinal waves. It requires a medium to travel. The medium particles vibrate perpendicular to the direction of wave propagation in the case of transverse waves.  However, the particles oscillate parallel to the wave direction in the l

A disturbance that travels through the space or medium transferring energy without the net movement of particles is called a wave. Rather than moving along with the wave, the particles of the medium only oscillate about their mean position in a wave motion. The wave is fundamentally different as com

The main difference between the real and ideal gases is with respect to the kinetic theory. The ideal gas follows assumptions of the kinetic theory but the real gases do not follow it, especially when the temperature is low and there is high pressure.

The following points are applicable in the case

According to the kinetic theory of gases class 11, the Maxwell-Boltzmann distribution law describes the gas molecules' distribution of speeds (or velocities). All molecules of gas do not move at the same speed, some move fast, some are slow and most move at an average speed. This law provides a math

The average kinetic energy of the gas molecules is directly related to the temperature of the gas. The average kinetic energy of one gas molecule, according to the kinetic theory, is given by:

Here T is the absolute temperature in Kelvin, and K is the Boltzmann constant. This equation shows that the

According to the NCERT Solutions for Class 11 Physics Chapter 12 Kinetic Theory, the pressure is exerted due to gas molecules' collisions with the walls of the container. Each gas molecule has a certain mass and velocity. According to Newton's law, when the molecules collide with a wall, it changes

The kinetic theory talks about the molecular explanation for the classical gas laws:

Boyle's Law (P? 1/V at constant T): Gas molecules will exert more pressure when the volume of the container reduces as it has less space to move and hence it collides with the walls of the container. However, when t