Basics of rockets, satellite orbits, GPS, remote sensing1. Basics of RocketsRockets work on the principle of Newton’s Third Law of Motion: "Every action has an equal and opposite reaction."Uses propellants (solid, liquid, or hybrid) to generate thrust.…
Radio, television, mobile communication, optical fibers1. Radio CommunicationUses radio waves to transmit signals over long distances.Based on the principles of electromagnetic wave propagation.Consists of a transmitter that sends signals and a receiver…
MRI, X-ray imaging, ultrasound, radiation therapy1.
Working principles of common devices like bulbs, fans, refrigerators, microwaves1. Incandescent BulbsWork on the principle of Joule heating.An electric current passes through a tungsten filament, heating it to a high temperature.The filament emits light due to incandescence.Only…