Properties of electromagnetic waves and Light reflection
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...
Tagged: Isaac Newton
Idea of launching the satellite & Factors affecting orbital velocity of a satellite
Importance of satellites The satellite is considered as a very high tower that can be used in transmitting and receiving the wireless waves , Satellites can be classified according to their applications into Astronomical...
Newton’s Universal Gravitation Law, Circular Motion & Factors affecting gravitational field intensity
Coincidence played the main role in the discovery of the general gravitational law by Isaac Newton when he noticed the fall of an apple from a tree to the ground , Newton concluded some...