Physics – Geophysics – Notes For W.B.C.S. Examination.

পদার্থবিজ্ঞান – জিওফিজিক্স – WBCS পরীক্ষার জন্য নোট।

Geo-physics is a specialized branch of Earth science that studies the physical properties and physical process of the Earth.Continue Reading Physics – Geophysics – Notes For W.B.C.S. Examination.

Geophysicists use some quantitative methods and advance technology to analyze the Earth’s properties and process.

Technology of geophysics is used to locate mineral resources, mitigate natural hazards, and protection of the environment.

Geophysics has been carved out as an independent discipline from different subjects, such as, geology, physical geography, astronomy, meteorology, and physics.

Elements of Geophysics

• Major elements those are studied under the geophysics are −
  • Shape of the Earth
  • Gravitational force of the Earth
  • Magnetic Fields of the Earth
  • Internal structure of the Earth
  • Composition of the Earth
  • Movement of the Earth’s plate (plate tectonics)
  • Volcanic activity
  • Rock formation
  • Water cycle
  • Fluid dynamics, etc.

Problems that Geophysicists Address

• • • Building highways and bridges
    • Mapping and exploration of mineral resources
    • Mapping and exploration of water
    • Mapping the earthquake and volcanic regions
    • Geological mappingFollowing are the problem areas that geophysicists address −
  • Archeology discovery
  • Construction of dam and its safety
  • Forensic discovery (finding the buried dead bodies)

Techniques and Technology of Geophysics

• Following are the major techniques and technology of geophysics −
  • Geo-magnetism
  • Electromagnetics
  • Polarization
  • Seismic technology
  • Ground penetrating radar (GPR), etc.

Benefits of Geophysics

• Following are the major benefits of geophysics −
  • Researching and studying archeological sites without destroying them
  • Designing environmental friendly urban architecture
  • Locating and judiciously exploiting natural resources
  • Helping in mitigation of natural hazards such as landslide, earthquake, etc.

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