WHAT IS PHYSICS

 

WHAT IS PHYSICS

WHAT IS PHYSICS

Physics was formerly called natural philosophy, it is concerned with those aspects of nature which can be understood in a fundamental way in terms of elementary principles and laws. In the course of time, various specialized sciences broke away from Physics to form autonomous fields of investigation. In this process, Physics retained its original aim of understanding the structure of the natural world and explaining natural phenomena.

The most basic parts of Physics are

mechanics and field theory. Mechanics is

concerned with the motion of particles or

bodies under the action of given forces. The Physics of fields is concerned with the origin, nature and properties of gravitational, electromagnetic, nuclear and other force fields. Taken together, mechanics and field theory constitute the most fundamental approach to an understanding of natural phenomena which science offers.

 In other words, Physics can be defined or summarizes as a physical science that deals with the behaviour of matter in relation to energy. Also it be said to be science of measurement

REASONS OR BENEFTIIS FOR

STUDYING PHYSlC

The study of Physics enables us to:

i) Acquire scientitic Knowledge and

skills.

ii) Be self suficient in our present day society.

(iii) Have ability to make our country and

perhaps the whole world a beter place to live in.

(iv) Pass our examination and to get a

good job at the end of our study.

In line with this numerous benefits,

Physics is characterised by accurate

Instrumentation, precision of

measurement, and the expression of iits results in mathematical terms.

CAREER OPPORTUNITIES IN PHYSICS

There are uncountable career opportunities

in studying Physics, Some of the opportunities are:

1. Accelerator physics

2. Acoustics

3. Agro phys1CS

 4. Bio physics

5. Chemical physics

6. Communication physicss

7.  Econo physics

8.  Engineering phbysics

9. Geophysics

10. Laser physics

11.. Material physics

12.  Medical physics

13. Nanotechnology Just to mention a few.

Also physics is essential for the study

of the following courses:

1. Soldering

2. Broadcasting

3. Technology

4. Radio and television technology

5. Radiography

6. Auto-mobile technology

7.  Metallurgy

8.  Metrology

9. Tele-communication

10. Electronicergonomics/Bio technology

11. Ophthalmology

12  Air traffic control

13 Medicine

14 Diary technology

15  Dentistry

16 Quantity survey

17  System engineering

18  Pharmacy and Pharmacology

19 Computer programming

Accelerator Physics: Is a branch of

applied physics concerned with

designing, building and operating

particle accelerators. A particleaccelerator is a device that uses clectromagnetic fields to propel charged particles to high speeds and to contain them in well-defined beams.

Acoustics: It is the interdisciplinary

SCience that deals with the study of

a mechanical waves in gases, liquids, and solids including vibration, sound, ultrasound, and infrasound. A scientist who works in the field of acoustics Is an acoustician, while someone working in the field of acoustics technology may be called an acoustical engineer.

Agro Physics: Is a branch of science

bordering on agronomy and physiCs,

whose objects of study are the agro ecosystem- the biological objects,

DIotope and biocoenosis affected by

human activity, studied and described

using the methods of physical sciences.

Biophysics: Is an interdisciplinary

sCience using methods of, and

theories from physi cs to study

biological systems. Biophysics spans

all levels of biological organisation trom the molecular scale to whole organisms and ecosystems.

Chemical Physics: Is a sub-discipline

of chemistry and physics that

investigates physiochemical phenomena using techniques from atomic and

molecular physics. It 1s the branch of

physics that studies chemical processes

from the point of view of physics.

Communication Physics: Is one of the

applied branches of physics. It deals with various kinds of communication systems.

Econo-Physics: Is an inter-disciplinary

research field, applying theories and

methods originally developed by physicians in order to solve problems in economics.

Engineering Physics: Is the study of

the combined disciplines of physics, engineering and mathematics in order to develop an understanding of the inter relationships of these three disciplines.

Geophysics:Is the physics of the earth

and its environment in space, also the

study of the earth using quantitative

physical methods. The tem geophysics

sometimes refers only to the geological

applications, earth shape, its gravitational

and magnetic fields, its internal structure

and composition.

Laser Physics: Is a branch of optics

that describes the theory and practice

of lasers. Laser science is principally concerned with quantum electronics,

laser construction, optical cavity

design, the physics of producing a

population inversion in laser medicine and the temporary evolution of the light field in the laser. It is also concerned with the physics of laser beams propagation.

Material Physics: is the use of physics

to describe materials in many different

ways such as force, heat, light, and

mechanics. It is a synthesis of physical

sciences such as chemistry, solid

mechanics and solid state physics.

Medical Physics: lt is the application

of physics concepts, theories and

methods to medicine or health care.

Medical physics department may be

found in hospitals or universities.

Solderingls a branch of physics which

deals with the joining of metals by the

use of a solder alloy, made by combining

tin and lead in difterent proportions.

Broadcasting: ls a branch of physics

which deals with different

distribution of audio, video, content to a dispersed audience via any audio or

Visual mass communications medium,

but usually only using the electromagnetic radiation (radio-

waves).

Computer Programming:  is a branch

of physics which deals with the

collections of computer programs and

related data referred to as the sottware.

Radiography: ls an imaging technique that uses electromagnetic radiation other

than visible, especially x-rays, to view

the intermal structure of a non-uniformly

composed and opaque object. Such as

the human body. Metallurgy1s a domain of materialsscience and materials engineering that study the physical and chemical behaviour of metallic elements, there intermetallic compounds, and there

mixture which are called alloys.

Metallurgy is also the technology of

metals; the way in which science is

applied to the production of metals,

and the engineering of metal components for use in products for consumer and manufacturers.

Quantity Survey: It is a branch of

physics that deals with construction

costs and contracts. The services provided by the quantity surveyor include cost planning and commercial

management during the entire life

cycle of the project from inception to completion.

Metrology: Is the science of

measurement. Metrology includes all the

theoretical and practical aspects of measurements.

Pharmacy: is the science and technique

of preparing as well as dispensing drugs

and medicines. It is a health profession that links health sciences with chemical sciences and aims to ensure the safe and

effective use of pharmaceutical drugs.

System Engineering: Is an

interdisciplinary field of engineering

that focuses on how to design and

manage complex engineering

projects over their life cycles. System

engineering techniques are used in

complex projects space craft design robotics etc.

Electronic Technology: Electronics

Engineering technicians help

engineers design and develop various

electrical and electronic equipment. They may also work in product evaluation and testing, diagnostic and equipment repair.

Dentist: Is a health care practitioner

that specialises in the diagnosis, prevention and treatment of diseases and conditions of the oral cavity.

Ophthalmology: Is the branch of

medicine that deals with the quatomy, physiology and diseases of the eye. An

ophthalmologist is a specialist in medical

and surgical eye problems. 

Medicine: Is the field of applied Science related to the art of healing by diagnosis, treatment and prevention of diseases.

Air traffic control:  Is a service provided by ground based controllers who direct aircraft on the ground.

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