Nuclear reactions are different from the chemical reactions , Since chemical reactions occur between the atoms of the reactant elements by the binding between the electrons of the outermost energy levels & no change...
Light is an electromagnetic wave, It is a form of energy that can travel freely across space, where the light rays travel through the vacuum present in the form of a wave when traveling...
The waves The wave motion is an example of the periodic motion. the wave is a disturbance that propagates and transfers the energy in the direction of the propagation, You notice that the concentric...
Astronomical telescope Who was the first scientist who made the astronomical telescope? ” Galileo ” was the first scientist who made an astronomical telescope in 1609. It was made from lenses to collect the...
