General Q&A for Class 12 · Page 57
5,215 free answers in General for Class 12 students, across CBSE, ICSE and State boards.
Question & Answer
Questions
- GeneralClass 12All
what is reverberation?
Reverberation, often referred to as "reverb," is a phenomenon in acoustics that occurs when sound waves reflect off surfaces and linger in an enclosed space before reaching an observer's ears. It is the persistence of sound after the original sound source has stopped emitting sound. Key characteristics of reverberation include: Reflection of Sound: When a sound wave encounters a surface, such as walls, floors, or ceilings, a portion of the sound energy
- GeneralClass 12All
what is ncr?
NCR can stand for several different things depending on the context. Here are some common meanings: National Capital Region: In various countries, including India and the Philippines, NCR often refers to the National Capital Region, which is the metropolitan area surrounding the capital city. In India, for example, the National Capital Region includes cities and areas around New Delhi. Non-Carbonated Refreshment: In the beverage indu
- GeneralClass 12All
what is the kinetic energy of an object?
The kinetic energy of an object is the energy it possesses due to its motion. It is one of the fundamental types of mechanical energy, and it depends on both the mass of the object (m) and its velocity (v). The formula to calculate kinetic energy (KE) is: KE = (1/2) * m * v^2 Where: KE represents kinetic energy in joules (J). m is the mass of the object in kilograms (kg). v is the velocity of the object in meters per second (m/s).
- GeneralClass 12All
what are insectivorous plants?
Insectivorous plants, also known as carnivorous plants, are a group of plants that have adapted to obtain nutrients, particularly nitrogen and sometimes other minerals, from insects and other small creatures. These plants typically grow in environments with nutrient-poor soils where they struggle to acquire enough nutrients through their roots alone. To compensate for this, they have evolved various mechanisms to capture, digest, and absorb nutrients from insects and other small organisms. Th
- GeneralClass 12All
what in kannada?
In Kannada, which is a Dravidian language spoken predominantly in the Indian state of Karnataka, the phrase "What is the mass of an electron?" can be translated as: "ಇಲೆಕ್ಟ್ರಾನ್ ಗುರುತಾಣ ಏನು?" (pronounced: ilekṭrān̄ gurutāṇa ēnu?)
- GeneralClass 12All
what is agniveer scheme?
As of my last update in January 2022, I'm not aware of a specific "Agniveer scheme" that has gained widespread recognition or prominence. It's possible that such a scheme or organization may have emerged or gained visibility after that date or that it is a relatively localized or niche initiative. Agniveer is known to be an organization in India that focuses on promoting what it describes as "Dharmic and scientific living." They have been involved in various activities related to Hinduism, so
- GeneralClass 12All
what is the mass of an electron?
The mass of an electron is approximately 9.10938356 × 10^-31 kilograms. This value is extremely small compared to the mass of most objects we encounter in our daily lives, making electrons much lighter than protons and neutrons, which are the particles found in the nucleus of an atom. The mass of an electron is often used as a reference for atomic and subatomic mass measurements.
- GeneralClass 12All
What color is water?
Water itself is colorless. It appears transparent to the naked eye, which means you can see through it, and it does not have a natural color of its own. However, the color of water can be influenced by various factors and impurities. In natural settings, such as lakes, rivers, and oceans, water can appear to have a color due to several reasons: 1. Reflection: Water often reflects the color of the sky and surroundings. On a clear day, it may appear blue because it reflects the blue color of th
- GeneralClass 12All
What is overloading?
Overloading, in the context of computer programming and software development, refers to a feature that allows a single function or method to have multiple definitions or implementations within the same program or class, differing in the type or number of its parameters. This concept is known as "function overloading" in languages like C++, C#, Java, and similar programming languages, while it is referred to as "operator overloading" when applied to operators like "+," "-", "*", "/", and other
- GeneralClass 12All
if my answer is yes What is your question?
Your response, "if my answer is yes," indicates a conditional statement where you are prepared to answer a question if it is asked in a way that prompts a "yes" response. However, without knowing the specific question you are responding to or the context in which it was asked, I cannot determine the exact question that would lead to your "yes" response. If you have a specific question in mind or if there's more context you'd like to provide, please feel free to ask, and I'll do my best to ass
- GeneralClass 12All
What is the extension of Word files?
The extension for Microsoft Word files is typically ".docx" for documents created in Word 2007 and later versions. In older versions of Microsoft Word (prior to Word 2007), the default extension for Word documents was ".doc." However, with the introduction of Microsoft Office 2007, a new file format based on XML was introduced, and Word documents saved in this format use the .docx extension. This new format is more efficient and allows for better compatibility with other software and
- GeneralClass 12All
What is the capital of Maharashtra?
The capital of Maharashtra, a state in western India, is Mumbai. Mumbai is not only the capital of Maharashtra but also the largest city in India. It serves as the economic, financial, cultural, and entertainment hub of the country and is known for its bustling urban life, historic landmarks, and diverse culture. Mumbai is often referred to as the "Financial Capital of India" and is home to various industries, including finance, film, and information technology.
- GeneralClass 12All
What is remote device?
A remote device typically refers to an electronic or technology-based device that can be operated or controlled from a distance, often through wireless communication or remote access methods. Remote devices are commonly used in various fields and applications, including consumer electronics, telecommunications, home automation, industrial control systems, and more. Here are some key characteristics and examples of remote devices: Remote Control: Remote devices
- GeneralClass 12All
What is a test cross?
A test cross, also known as a back cross or tester cross, is a genetic breeding experiment used by geneticists and breeders to determine the genotype of an organism displaying a dominant trait. This experiment is particularly useful for identifying whether the organism is homozygous dominant (two dominant alleles) or heterozygous (one dominant and one recessive allele) for that trait. Here's how a test cross works: Selection of the Organism: The organis
- GeneralClass 12All
What is Vedic maths?
Vedic mathematics, also known as "Veda math," refers to a system of mathematical techniques and principles that are believed to have their origins in ancient Indian scriptures known as the Vedas. These techniques are said to have been rediscovered and popularized by Swami Bharati Krishna Tirtha Ji Maharaj, a Hindu scholar, and mathematician, in the early 20th century. Key characteristics of Vedic mathematics include: Sutras: Vedic mathematics is based o
- GeneralClass 12All
What is parenchyma?
Parenchyma is a type of simple plant tissue that makes up the bulk of various plant organs, including leaves, stems, roots, and fruits. It serves several essential functions within the plant. Parenchyma cells are characterized by their thin cell walls, large central vacuoles, and the ability to undergo various physiological processes. Key characteristics and functions of parenchyma tissue: Cell Structure: Parenchyma cells have primary cell walls that ar
- GeneralClass 12All
What do you mean by the natural environment?
The natural environment, often referred to simply as the environment, encompasses the entirety of the physical, biological, and ecological systems and elements that exist on Earth without significant human influence or alteration. It includes the Earth's atmosphere, land, water bodies, living organisms, and natural processes that have evolved over millions of years. The natural environment can be further broken down into various components: Atmosphere: The Eart
- GeneralClass 12All
What is Metrology 400 used for?
Metrology 400 does not refer to a specific instrument or device used in the field of metrology. Metrology is the scientific study of measurement, including measurement standards, equipment, and practices. It plays a critical role in ensuring accuracy and precision in various industries, including manufacturing, engineering, science, and trade. In metrology, instruments and equipment are designed and used for a wide range of measurement purposes, including: Lengt
- GeneralClass 12All
What are villi What is their location and function?
Villi (singular: villus) are small, finger-like projections that line the inner surface of the small intestine. They are specialized structures that significantly increase the surface area of the intestinal lining, serving important functions in the process of digestion and nutrient absorption. Location: Villi are found in the mucous membrane lining the inner wall of the small intestine. They are most abundant in the jejunum and ileum, the two lower parts of the small
- GeneralClass 12All
What is government class 6?
In a Class 6 curriculum, students often learn about the basic concepts of government and civics as part of their social studies or civics education. The specific topics covered may vary depending on the educational system and curriculum standards in a given country, but here are some common themes and concepts related to government that are typically introduced at this grade level: What Is Government: Students learn about the concept of government as the system