X-rays are invisible electromagnetic waves of high energy and short wavelengths lie between the wavelengths of gamma rays and the ultraviolet rays, Rontgen discovered invisible electromagnetic waves of short wavelength ranges from 10−13 m...
Quantum physics is the physics that allows us to study and explain scientific phenomena that might not be directly observed in our daily life especially when we deal with atomic and subatomic systems such...
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...
