X-rays are used in photographing bones because they detect the bone fractures. Gamma rays have medical purposes because they are used to treat and discover some swellings (tumors). Exposing dental treatment tools for ultraviolet...
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 & light , where...
There are two types of motion , which are Translational motion and Periodic motion , Translational motion is the motion that has starting point and end point , Periodic motion is the motion that repeats itself...
Nuclear fusion reaction It is the source of the destructive energy of the Hydrogen bomb , It is the fusion of two light nuclei to form a heavier nucleus of a mass smaller than...
