Notes and Study material for Exams
Remote sensing refers to the measurement or acquisition of information about an object or phenomena from a distance without physical contact by using devices or sensors mounted on some platform. Remote sensors collect data by detecting the energy that is reflected from Earth. These sensors can be on satellites or mounted on aircraft. Remote sensors can … Read more
The Shadowy Side of Sunlight: Unveiling the Impact of Brown Carbon The sun, a source of life and energy, also harbors a hidden danger â brown carbon. This enigmatic atmospheric component, often overlooked in favor of its more notorious cousin, black carbon, plays a significant role in shaping our climate and impacting human health. While … Read more
Inversion of Temperature: A Phenomenon Shaping Our Atmosphere The Earth’s atmosphere is a complex and dynamic system, constantly in motion and subject to a myriad of influences. One of the most intriguing and impactful phenomena within this system is the inversion of temperature, a condition where the air temperature increases with altitude, defying the typical … Read more
The Invisible Force: Understanding Humidity and Its Impact on Our World Humidity, an often-overlooked aspect of our environment, plays a crucial role in shaping our world. From influencing weather patterns to impacting human health and comfort, humidity is a powerful force that deserves our attention. This article delves into the intricacies of humidity, exploring its … Read more
The Global Positioning System consists of 24 satellites, that circle the globe once every 12 hours, to provide worldwide position, time and velocity information. GPS makes it possible to precisely identify locations on the earth by measuring distance from the satellites. GPS allows you to record or create locations from places on the earth and … Read more
Preparation of Oxygen Oxygen Oxygen is prepared in lab generally in two ways either by the application of heat or no application of heat. Using heat: Oxygen in lab is prepared by heating the mixture of powdered potassium chlorate and manganese dioxide in the ratio 4:1 in a hard glass test tube. The oxygen gas … Read more
Pressure and wind belts Atmospheric Pressure, also called barometric pressure, force per unit area exerted by an atmospheric column (that is, the entire body of air above the specified area). Atmospheric pressure can be measured with a mercury barometer (hence the commonly used synonym barometric pressure), which indicates the height of a column of mercury … Read more
Concept of pressure Pressure is the perpendicular force per unit area, or the Stress at a point within a confined fluid. The pressure exerted on a floor by a 42-pound box the bottom of which has an area of 84 square inches is equal to the force divided by the area over which … Read more
The Earth’s Magnetic Shield: A Journey into Geomagnetism The Earth, our home planet, is not just a rocky sphere floating in space. It possesses a hidden, yet vital, force field: the geomagnetic field. This invisible shield, generated deep within the Earth’s core, protects us from the relentless barrage of charged particles emanating from the Sun, … Read more
The Unseen Force: Pressure Gradient and Its Role in Air Circulation The Earth’s atmosphere is a dynamic system, constantly in motion. This movement, known as air circulation, is driven by a fundamental force: the pressure gradient. Understanding this force is crucial to comprehending weather patterns, climate variations, and even the global distribution of heat and … Read more