What is Physics?

PHYSICS:

                              It is the branch of sience which deals with the study of matter energy and their mutual relationship as known as physics.

EXPLANATION: 

the importance scope of physics is not hidden from todays human beings .physics give the insight infromation regarding events happening in the universe . its study ranges from smallest subatomic particles like electron proton-neutron etc to huge heavenly bodies like galaxies etc it explains nature and the occurrences in nature in terms of fundamental laws and pricip;es e.g newtonians laws archimeded pricipal etc physics is more quantitive rather than descriptive for prcise and accurate measurement physics is always indeed of accuarte insturment physics is called science of measurment 

what is moon? what is the sun? how is the universe is formed? at some part of daylight is there but in some part, it is not avialbale why? what are and how thery are formed?