What kind of question is that .. Scope of physics is enormous.
Physics is the basis for mechanics - relation between physical quantities, in any engineering. Mechanical , electrical , chemical civil, electronics- semiconductors, telecomm - wave propagation, use principles of physics. structural analysis
bullet trains use electricity and magnetism for moving at high speeds.
aeroplane or car shape design,ship - uses physics principles
It is used in medical field too - for example optical instruments.
space engg, ocean engg, use principles of physics.
excitement is the modeling of physical world, problem at hand, hypothesizing, experimentation, observations, proofs, derivations, discoveries, deep understanding of the universe..
solving a physical problem, understanding of natures laws gives excitation to many scientists.