General Q&A for Class 12 · Page 50
5,215 free answers in General for Class 12 students, across CBSE, ICSE and State boards.
Question & Answer
Questions
- GeneralClass 12All
what is inverter ac?
An inverter air conditioner, often referred to as an "inverter AC," is a type of air conditioning system that uses advanced technology to regulate the speed of the compressor motor in order to control the cooling or heating output. This technology offers several advantages over traditional non-inverter air conditioners, including improved energy efficiency, better temperature control, and quieter operation. Here are some key features and benefits of inverter AC systems: 1. Variable Speed Comp
- GeneralClass 12All
what is white gold?
White gold is a popular and valuable alloy used in jewelry making. It is not a naturally occurring metal but rather a man-made mixture of other metals. White gold gets its name from its silvery-white appearance, which closely resembles that of platinum. The primary components of white gold are: 1. Gold (Au): Gold is the primary metal in white gold, providing its value and malleability. However, pure gold is naturally yellow in color, and it is too soft for use in jewelry on its own. 2. Other
- GeneralClass 12All
what is paperback book?
A paperback book, often simply referred to as a "paperback," is a type of book that is bound with a flexible paper cover, as opposed to a hardcover book, which has a rigid cardboard or cloth cover. Paperbacks are characterized by their lightweight, portable design and are typically less expensive to produce and purchase compared to hardcovers. They are a popular format for novels, non-fiction books, and a wide range of other reading materials. Here are some key features and characteri
- GeneralClass 12All
what is water of crystallization?
Water of crystallization, also known as water of hydration or simply crystalline water, is water molecules that are structurally bound within the crystalline structure of a chemical compound. These water molecules are not just physically trapped or absorbed by the compound; instead, they are an integral part of the compound's crystal lattice. This means that they are chemically bonded to the compound, and their presence is essential for the compound's structure and stability. Water of
- GeneralClass 12All
What is constituent assembly?
A constituent assembly is a body or assembly of representatives that is convened for the purpose of drafting or adopting a constitution, which is a fundamental document that sets out the basic principles, rules, and structure of a government or an organization. Constituent assemblies play a crucial role in the establishment of new governments, the revision of existing constitutions, and the creation of foundational legal frameworks for a country. Here are some key features and functio
- GeneralClass 12All
What is heterotrophic nutrition?
Heterotrophic nutrition is a mode of nutrition in which organisms obtain their organic food molecules by consuming other organisms or organic substances produced by other organisms. Heterotrophic organisms cannot produce their own organic compounds, such as sugars and amino acids, through processes like photosynthesis or chemosynthesis. Instead, they rely on external sources to meet their nutritional needs. Here are some key characteristics and examples of heterotrophic nutrition:
- GeneralClass 12All
What is diploma course?
A diploma course is a short-term educational program that focuses on providing specific skills and knowledge in a particular field or profession. Diploma courses are typically designed to be more practical and hands-on than traditional academic degree programs, and they often have a shorter duration. Here are some key characteristics of diploma courses: Short Duration: Diploma courses are shorter in duration compared to bachelor's or master's degree programs. T
- GeneralClass 12All
What is periodic motion?
Periodic motion, also known as oscillatory motion, refers to the repetitive and cyclical movement of an object around a central point or equilibrium position. In periodic motion, the object returns to its starting position after a fixed amount of time, completing one full cycle of motion. This type of motion is characterized by the following key features: Repetition: Periodic motion repeats itself over and over again at regular intervals. Each cycle of motion i
- GeneralClass 12All
what is corrosion class 10?
In a class 10 science curriculum, the topic of "corrosion" typically refers to the chemical process of deterioration or degradation of materials, especially metals, due to reactions with environmental factors. Here's a basic overview of corrosion for a class 10 level: Definition: Corrosion is the gradual destruction of materials, often metals, as a result of chemical reactions with the surrounding environment. The most common form of corrosion is rusting, which
- GeneralClass 12All
what is drift velocity?
Drift velocity refers to the average velocity of charged particles within a conductor, such as electrons in a metal wire, when they are subjected to an electric field. In a conductor, there are typically a large number of free electrons that can move relatively freely within the material. When an electric potential difference (voltage) is applied across the ends of a conductor, it creates an electric field within the conductor. This electric field exerts a force on the free electrons,
- GeneralClass 12All
what is abscissa?
An abscissa is a term used in mathematics, particularly in the context of coordinate systems like the Cartesian coordinate system. In this system, a point is represented by two values: the abscissa and the ordinate. Abscissa: The abscissa is the horizontal or x-coordinate of a point in a two-dimensional Cartesian coordinate system. It tells you how far the point is along the horizontal axis, measured from the origin (usually the point where the x and y axes intersect). It is of
- GeneralClass 12All
what is premium tatkal?
"Premium Tatkal" is a type of ticket reservation service offered by Indian Railways. It is designed to provide travelers with the option to book train tickets on an urgent or immediate basis, subject to the availability of seats. Premium Tatkal is a paid service and is typically more expensive than regular Tatkal tickets. Here are some key features and details about Premium Tatkal: Higher Fare: Premium Tatkal tickets are priced higher than regular ticke
- GeneralClass 12All
what is the meaning of influence in hindi?
The word "influence" can be translated to Hindi as "प्रभाव" (pronounced as "prabhav") or "प्रभावित करना" (pronounced as "prabhavit karna"). Here are the meanings and usage of these terms: प्रभाव (Prabhav): This term refers to the noun "influence." It represents the power, effect, or impact that one person, thing, or situation has on another. For example, "उसका प्रभाव बड़ा है" (pronounced as "Uska prabhav bada hai") means "He/she has a significa
- GeneralClass 12All
what is polytechnic?
A polytechnic is an educational institution that offers practical and hands-on training in various technical and vocational fields. Polytechnics provide students with the knowledge and skills needed to pursue careers in industries such as engineering, technology, manufacturing, and applied sciences. These institutions are known for their focus on practical education and the application of technical skills. Key features of polytechnic institutions include: 1. Technical and Vocational Programs:
- GeneralClass 12All
what is iti?
ITI stands for "Industrial Training Institute." ITIs are institutions in India that offer vocational training programs in various trades and skills. These programs are designed to equip students with practical knowledge and skills to pursue careers in specific trades and industries. Key features of ITIs include: Vocational Training: ITIs provide training in a wide range of trades, including electrician, plumber, welder, fitter, machinist, carpenter, com
- GeneralClass 12All
what is the esr level in cancer patients?
Erythrocyte Sedimentation Rate (ESR) is a blood test that measures the rate at which red blood cells settle at the bottom of a tube over a specified period. It is a non-specific marker of inflammation in the body and is not typically used as a definitive diagnostic tool for cancer. However, ESR levels can be influenced by various factors, including inflammation, infection, and certain medical conditions, including some types of cancer. In cancer patients, elevated ESR levels can be ob
- GeneralClass 12All
what is thermite reaction?
A thermite reaction is a highly exothermic (heat-releasing) chemical reaction between a metal and a metal oxide. This reaction is known for its extreme heat generation and is often used in various industrial and practical applications, including welding, incendiary devices, and metal cutting. Key features of a thermite reaction include: Ingredients: A thermite reaction typically involves two main components: A metal, often aluminum (Al).
- GeneralClass 12All
what is da in salary?
In the context of salary and compensation, "DA" stands for "Dearness Allowance." Dearness Allowance is an additional amount of money paid by an employer to employees as a cost-of-living adjustment. It is usually provided to help employees cope with the rising cost of living, particularly due to inflation. Here are some key points about Dearness Allowance (DA): Purpose: DA is meant to mitigate the impact of inflation on an employee's purchasing power. As
- GeneralClass 12All
what is civil disobedience movement?
The Civil Disobedience Movement was a significant nonviolent resistance campaign led by Mahatma Gandhi as part of the Indian independence struggle against British colonial rule. It took place from 1930 to 1934 and aimed to peacefully protest British policies and demand greater Indian self-governance. Key features and aspects of the Civil Disobedience Movement include: 1. Background: The movement was a response to the oppressive and discriminatory policies of British colonial rule in India. In
- GeneralClass 12All
what is the cin number?
The term "CIN number" is not a standard or widely recognized acronym or abbreviation in the context of personal identification or official documentation. However, there are various types of identification numbers and codes used for different purposes in different countries and contexts. Here are a few examples: Corporate Identification Number (CIN): In some countries, including India, CIN stands for "Corporate Identification Number." It is a unique 21-digit alp