ncert solutions physics class 11th

In a sample, Root mean square (RMS) speed refers to the average of the squares of the speeds of all gas molecules. It helps in measuring the gas particles' speed and takes into account the kinetic energy. Mathematically, it is expressed as:

Here, T is the temperature in Kelvin, k is the Boltzmann con

The kinetic theory is based on many key assumptions, such as the following:

• The individual gas molecules volume is almost non-existing when compared to the total volume of the gas.
• A gas consists of many small, identical, hard spherical particles.
• The collisions between the gas particles and the contai

Escape velocity is the least velocity an object needs without any further propulsion to escape the Earth's gravitational field. The escape velocity for the earth is nearly 11.2 km/s. It is derived by using the conservation of energy principle that says for an object to move to an infinite distance,

When there is no normal force acting on a body, weightlessness is experienced, and the body free fall under gravity. The concept of gravity is still acting on the body, however, there is no weight sensation of any reaction force from any surface or ground. The weightlessness felt by the astronauts i

The gravitational pull of the Moon is the main reason behind the tides of Earth and it is less dependent on the sun. The gravitational pull of the moon on Earth is stronger than the sun's gravitational pull due to Earth's proximity to the moon. The Earth's oceans get pulled by the moon's gravity, wh

To get the best results, students should begin their preparation by reading the NCERT chapter thoroughly, especially dimensional analysis, numerical problems involving significant figures, and errors. They need to practice questions first by not looking at the answers and after they complete their s

Yes, class 11 physics ch 1 notes clearly explain the limitations of measurement due to human error, instrumental errors and environmental conditions. The solutions show how no measurement is perfectly accurate by providing examples where measured values deviate from actual values. The chapter also s

The chapter 1 emphasize on the use of standard units (like meter, second, kilogram) and physical constants (like speed of light, Planck's constant) by incorporating them into numerical problems and derivations. These constants are important for solving Physics problems related to universal law and e