Knowledge in ncert physics class 11 pdf

WAVE OPTICS

In physics, physical optics, or wave optics, is the branch of optics that studies interference, diffraction, polarization, and other phenomena for which the ray approximation of geometric optics is not valid.

PHYSICAL WORLD in physics

Its Sanskrit equivalent is Bhautiki that is used to refer to the study of the physical world. ... We can broadly describe physics as a study of the basic laws of nature and their manifestation in different natural phenomena.

Viscosity (Fluids) Class XI Physics Handwritten Notes

Handwritten Notes of Viscosity which includes Strokes Law, Poiseuille Formula and Terminal Velocity.