NCERT Solutions for Class 12 Physics Chapter 14

Acid rain isn't pure acid falling from the sky; rather, rainfall or atmospheric moisture mixed with elements and gases cause the moisture to become more...

Congruence of Triangles: The congruence of a triangle depends upon the measurements of sides and angles of the two triangles. There are a few criteria,...

Complementary and Supplementary angles are defined for the addition of two angles. If the sum of two angles so formed is \({90^ \circ }\), then...

Nitro compounds are a group of organic compounds having Nitro group \({\rm{( - O - N = O)}}\) as a part of its molecular structure....

Bond Linking Monomers in Polymers: Every living thing is made up of various proteins, enzymes, certain peptide hormones, carbohydrates, nucleic acids, polyphenolics etc. are important...

Higher animals possess an elaborated circulatory system that consists of a muscular and chambered heart, a network of blood vessels, and an extracellular fluid called...

Applications of Equilibrium Constant: The numerical value of the equilibrium constant is critical because it tells us whether we should expect a reaction mixture at...

Machines: Do you know we can easily lift heavy loads with a small effort? Do you know we can make the work easier with the...

Algebra of Complex Numbers: Complex numbers have wide applications in various fields of science, such as AC circuit analysis. Learning about the algebra of complex numbers...

The Lanthanoids: How many elements do you think there are in and around us? They can be counted, however counting them on your fingers is...

Important Trends and Anomalous Behaviour of Carbon: You know how important carbon is for our existence. Even our bodies are largely composed of carbon compounds....

Preparation of Colloidal Solutions: As we know, all solutions contain two entities in them, a solvent and a solute, mixed together to form a solution....

Deliquescence: We all must have seen tiny silica gel packets inside shoe boxes, new bags, and other gadgets, and they are there for a reason....

Periodic Trends in the Properties of Elements: The long form of the periodic table or the modern periodic table can also be called Bohr’s table...

Occurrence of Group 17 Elements: On the periodic table, the halogens are to the left of the noble gases. Fluorine \(\left( {\rm{F}} \right){\rm{,}}\) chlorine \(\left(...

Dinitrogen: Nitrogen is a colourless, odourless, and tasteless element that is plentiful in nature. Daniel Rutherford, a Scottish physician, was the first to discover it...

Drug-Target Interaction: As we've seen, chemistry plays a crucial role in practically every aspect of our lives. Medicinal chemistry is one such topic that is...

Biotechnology: The application of engineering science principles and technological methods on biological systems, like microorganisms, higher animals, and plants, intending to carry out chemical, environmental...

Health Organisations: Did you know that ischemic heart disease is the leading cause of disease worldwide? Last year heart disease killed \(4.77\) million people in...

Neural and Hormonal Control of Digestion: Taste and smell are related. What happens when we walk past a fast-food stall and catch a whiff of...

Towards Quantum Mechanical Model of the Atom: Bohr is widely credited with developing the first quantitatively successful model of the atom. However, the newer Wave...

What are Advanced Materials? Advanced materials are such materials that help us to drive technological innovation and optimise the cost and efficiency of existing products,...

What is Cloning in Biology? Cloning simply means creating exact replicas or copies. Cloning in biotechnology refers to the process of creating identical copies of...

Potassium Dichromate is a less potent oxidiser than potassium permanganate. It is a primary standard, and its solutions have long-term stability in acid and are resistant...

Energy Flow in Ecosystem: One of the significant variables that support the survival of such a large number of creatures is the energy flow in the...

Components of Ecosystem: 'Eco' stands for 'environment,' while 'system' stands for 'functional unit.' The ecosystem is viewed as an interactive system in which ecosystem components...

Acids, Bases and Salts: We are surrounded by a variety of different materials with different properties. These materials consist mainly of compounds and elements. We...