# Zai

### Zai

• Study Material

## Three-dimensional waves: concept, types and examples

We explain the Three-dimensional waves with concept, types and examples. Three-dimensional waves are those that propagate in space, for example the…

• ## Linear waves: concept, characteristics, examples

We explain the Linear waves with concept, characteristics and examples. The  linear waves  are those in which the superposition principle applies,…

• ## Plane mirrors: equation, behavior, graphs

We explain the Plane mirrors with equation, behavior and graphs. The flat mirrors are flat and polished surfaces on which…

• ## Differences between speed and Velocity with table and examples

We explain the differences between speed and Velocity with table and examples. The differences between speed and Velocity exist, although…

• ## Geometric optics: what it studies, laws, applications, exercises

We explain Geometric optics and what it studies, laws, applications and exercises. The geometrical optics is the branch of physics…

• ## Angular moment (Angular Momentum): quantity, conservation, examples, exercises

We explain the angular moment with quantity, conservation, examples and  exercises. The angular moment or angular momentum is, for the movement…

• ## Concave mirror: characteristics, examples, applications

We explain Concave mirror with characteristics, examples and applications. The concave or convergent mirror is a mirror with almost always…

• ## Convex mirror: concept, characteristics, examples

We explain the convex mirror with concept, characteristics and examples. The convex or divergent mirror is a curved mirror, almost…

• ## Galileo Galilei and his law of free fall

We explain the Galileo Galilei and his law of free fall. The law of free fall  of Galileo Galilei states…

• ## Unit vectors: characteristics, how to get it, examples

We explain that what are unit vectors? with characteristics. how to get it and examples. The unit vectors are those whose…

• ## Translational equilibrium: conditions, examples, exercises

We explain the translational equilibrium with conditions, examples and exercises. It is stated that an object is in translational equilibrium…

• ## What are the Elements of the Universe?

We explain that what are the Elements of the Universe? The elements of the universe were formed, according to cosmologists, during…