
Author: Jonathan graduated with a first-class Master's degree in Theoretical Physics from Imperial College London.

Total internal reflection: When the angle of incidence in the denser medium is greater than the critical angle and the incident ray is in the denser medium, the light ray reflects back in the denser medium.





And then we heat the beaker.

These are my notes that i made using past papers! When the light rays reach the other end, they get reflected back again to the fiber when they strike the object! The steam drives the turbine and so electricity is generated by the generator.

Sound travels fastest in solids then liquids, and finally gases.
Description: Sound Sound is produced by objects such as a tuning fork by vibrating the air molecules.