Solid State Physics is one of the subjects which serve students in Physics, Inorganic chemistry, Materials Science, Mechanical Engineering and electrical engineering for understanding the structural, optical and electrical properties of materials. In Medical Physics people needs to understand how solid materials can be used to detect radiation signals such as X-ray. Understanding Solid State will also help to understand how instruments such as CT scan, MR imaging, digital camera, photo detectors and many other similar instruments are working. The information will also give abilities to people to improve their mind to understand and build new instruments.
Nowadays a new technology is appeared which is called, nanotechnology. This field in interring all subjects from physics to chemistry, Medicine, Biology, Pollution, Engineering, How to understand nanotechnology, we need to understand solid state physics, Nanotechnology is the technology of how the material can be made in a size as small as in nanometer range, precisely below 50 nm. We need to understand its formation and properties as well its application.