The motion of planets around the Sun is considered as a periodic motion as it is repeated regularly in equal periods of time, The motion of spring is considered as an oscillatory periodic motion,...
Laser is amplifying the light intensity by the stimulated emission, There are different applications of laser in life either in the branch of applied science such as medicine, engineering and communication or in the...
The word atom goes back to a Greek origin, meaning the indivisible, Scientists put different models for the structure of the atom based on many experimental evidences, Bohr studied the difficulties faced by Rutherford’s...
Converting the mass (m) into energy (E) is related to the Einstein relation (E = mc²) which is the scientific base of the nuclear bomb where it was found that the fission of the...
Any metal contains positive ions & free electrons which can move around inside the metal but can not leave it due to the attractive forces of the surface which may be represented by a...
Quantum physics is the physics that allows us to study and explain scientific phenomena which might not be directly observed in our daily life especially when we deal with atomic and subatomic systems such...
