Light waves propagate in straight lines in the homogeneous medium, They reflect when they fall on a reflecting surface, They refract when they travel between two transparent media different in the optical density, according...
Light is an essential form of energy, The Sun is the most important source of light energy, It is the main natural source, It gives us heat and light, and it provides the green...
There are two types of motion, which are Translational motion and Periodic motion, Translational motion is the motion that has a starting point and end point, Periodic motion is the motion that repeats itself...
The waves are classified according to the direction of vibration of the medium particles relative to the direction of the propagation into the transverse waves and the longitudinal waves, and they are types of...
