“General Science” is the highest scoring as well as the most challenging section for all competitive exams. In this section, you will find important notes on three main subjects of General Science: Physics, Chemistry, Biology, etc.
You can Browse the Subject- wise General Science Notes here:
In chemistry, reactions can happen in many different ways. One such type is the Combination Reaction. This is an important concept to understand, especially for competitive exams like SSC, RRB NTPC, UPSC, or state-level exams. Let’s break it down step by step to make it easier for you! What is a Combination Reaction? A combination … Read more
When studying air pollution and its effects on the environment, you will come across some complex terms, one of which is Peroxyacetyl Nitrate (PAN). Don’t worry! This post will help you understand what PANs are, how they are formed, their effects, and why they are important for competitive exams like SSC, RRB NTPC, UPSC, or … Read more
When we hear the word “pollution,” we often think of harmful substances in the air, water, or soil. But did you know that some pollutants are not directly released into the environment? These are called secondary pollutants. Understanding secondary pollutants is crucial for competitive exams like SSC, RRB NTPC, UPSC, and state-level exams. Let’s break … Read more
Rusting of iron is a common phenomenon that you must have observed in your daily life—whether it’s the iron gate outside your house, a bicycle, or a spoon that has been left outside for a long time. This process is important to understand because it’s related to chemistry and environmental science, both of which are … Read more
Dry ice is one of the coolest substances you can ever come across! It’s not just cold, but it also behaves in some very interesting ways. In this post, we’ll learn about what dry ice is, how it’s made, and its many uses. Whether you’re preparing for exams like SSC, RRB NTPC, UPSC, or state-level … Read more
Understanding fundamental concepts in chemistry is crucial for competitive exams like SSC, RRB NTPC, UPSC, and state-level exams. One such important concept is the Melting Point. In this blog, we will break down this topic into simple sections to help 6th-grade students understand it easily. What is Melting Point? The melting point of a substance … Read more
Sound is a type of energy that travels in waves. But have you ever wondered how fast sound moves? The speed of sound is how quickly sound waves travel through different materials like air, water, or metal. It depends on factors like temperature, pressure, and the medium through which it travels. In general, sound moves … Read more
Have you ever wondered how a microscope allows you to see tiny bacteria or how a telescope helps you observe distant stars? These instruments use lenses to magnify objects, making them appear larger than they actually are. The ability of an optical instrument to enlarge an image is called its magnifying power. In this post, … Read more
Ultrasonic sound is a fascinating topic that you might encounter in your exams, especially in subjects like Science and Physics. In this blog post, we’ll explore what ultrasonic sound is, how it works, and where we see its applications in the real world. Let’s break it down into simple sections, so you can easily understand … Read more
Condensation is the process in which water vapour in the air transforms into liquid water. This natural phenomenon is essential in various processes, from the water cycle to industrial applications. In this article, we will delve into the details of condensation, its significance, and some real-life examples. Understanding Condensation Condensation is the change of water … Read more
Concave mirrors, also known as converging mirrors, are curved mirrors that curve inward, resembling a portion of a sphere. These mirrors are used in various applications, from simple household items like makeup mirrors to complex scientific instruments such as telescopes and satellite dishes. Understanding how a concave mirror forms images is crucial for students, enthusiasts, … Read more
Electricity flows through wires because of a special kind of “push” called potential difference, also known as voltage. This push helps move tiny particles called electrons from one place to another inside an electrical conductor, like a wire. What is Potential Difference? Potential difference is the energy needed to move a charge (electron) from one … Read more
Electric current is one of the greatest discoveries that has made our lives easier. People have always been curious about lightning and how it forms. Even in ancient times, the Greeks studied magnetism and tried to understand electricity. The journey of electricity and current has developed over time. It started with Benjamin Franklin’s kite experiment … Read more
Have you ever wondered how electricity flows through wires? Ohm’s Law is a simple rule that explains the relationship between voltage (V), current (I), and resistance (R) in an electric circuit. It helps us understand how electric devices like bulbs, fans, and mobile chargers work. According to Ohm’s Law, when we increase the voltage, the … Read more
Have you ever looked into a mirror and seen yourself exactly as you are? That’s because a plane mirror creates an image that looks just like the real object! In this guide, we will explore how images are formed by plane mirrors, their properties, and important concepts for SSC, Banking, RRB NTPC, UPSC, and other … Read more
Have you ever wondered how a microscope helps us see tiny germs or how a telescope brings distant stars closer? These amazing devices are called optical instruments because they use light to help us see things more clearly. From eyeglasses to binoculars, these tools make our lives easier in many ways. In this guide, we … Read more
Sound is all around us! Whether it’s music, a ringing phone, or a person talking, sound waves help us hear different noises. But what makes sounds loud or soft, high or low, clear or unclear? These features are called the characteristics of sound. In this article, we will explore the different properties of sound, such … Read more
Work is an important concept in physics that we use in daily life. But in science, work has a special meaning. It is done when a force is applied to an object, and the object moves in the direction of the force. For example, lifting a book, pushing a door, or pulling a cart are … Read more
Total Internal Reflection (TIR) is a special light phenomenon where a ray of light bounces back completely instead of passing through a surface. This happens when light moves from a denser medium to a rarer medium at a certain angle. Understanding TIR is important for SSC, Banking, RRB NTPC, UPSC, and State exams, as it … Read more
A circuit in Physics is a closed loop or path that allows electrons to flow, creating an electric current. The basic components of a circuit include a power source (like a battery), conducting wires, a switch, and a device like a light bulb. There are many types of circuits, such as: Each type of circuit … Read more
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