General Q&A for Class 12 · Page 43
5,215 free answers in General for Class 12 students, across CBSE, ICSE and State boards.
Question & Answer
Questions
- GeneralClass 12All
What is zener diode?
A Zener diode is a type of semiconductor diode that is designed to operate in the reverse-biased mode. Unlike regular diodes, which are primarily used for rectification and allow current to flow in one direction only, Zener diodes are engineered to have a specific and well-defined breakdown voltage in the reverse direction. Key characteristics of Zener diodes include: Voltage Regulation: The primary application of Zener diodes is in voltage regulation.
- GeneralClass 12All
what is luster?
Luster refers to the way light interacts with the surface of a mineral, rock, or other material. It is a visual property that describes the appearance of the material's surface in terms of its shine, sheen, or reflectivity. Geologists and mineralogists use luster as one of the key characteristics to help identify and classify minerals. There are two primary types of luster: Metallic Luster: Minerals with metallic luster appear shiny and reflective, much
- GeneralClass 12All
For what purpose is distomat used?
If you meant "distomat," it is possible that you are referring to a device or term specific to a certain context. However, based on the term provided, it's not clear what you are specifically asking about. If you have a specific context or field in mind, or if there's a different term or spelling you intended to use, please provide more details or clarify your question. This will help me provide you with a more accurate and relevant answer.
- GeneralClass 12All
What is women empowerment?
Women empowerment refers to the process of enhancing the social, economic, political, and educational status of women and ensuring that they have the power, control, and autonomy over their lives. It involves creating an environment where women can make their own decisions, exercise their rights, and participate actively in all aspects of society. Key components of women empowerment include: Equal Opportunities: Women empowerment advocates for providing
- GeneralClass 12All
what do you understand by people as a resource?
The concept of "people as a resource" refers to the idea that individuals, the human population, are valuable assets and contributors to the development, productivity, and progress of a society or an organization. This perspective emphasizes the human capital aspect and recognizes the skills, knowledge, creativity, and abilities of individuals as valuable resources that can be harnessed for the benefit of communities, economies, and institutions. Here are some key aspects of understan
- GeneralClass 12All
what is the distance from the earth to the sun?
The average distance from the Earth to the Sun is approximately 93 million miles (150 million kilometers). This distance is often referred to as an astronomical unit (AU), which is a unit of measurement used in astronomy to describe distances within our solar system. One astronomical unit is the average distance from the Earth to the Sun.
- GeneralClass 12All
What is the meaning of chapri?
The term "chapri" is a slang word commonly used in South Asian countries, particularly in India and Pakistan. Its meaning can vary based on the context and the region where it is used. Generally, "chapri" is used to describe someone or something that is perceived as low-class, uncouth, or lacking sophistication. It is often associated with a rough or crude demeanor. For example, if someone refers to another person as "chapri," they might mean that the person is behaving in a manner co
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What is an impact player in ipl?
In the context of the Indian Premier League (IPL), an "impact player" refers to a cricketer who has the ability to make a significant and decisive impact on the outcome of a match. Impact players are those who can turn the game in their team's favor through their exceptional performance, whether with the bat, ball, or in the field. Characteristics of an impact player in the IPL include: Consistent Performance: Impact players are often consistent perform
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What is eye flu?
"Eye flu" is a colloquial term commonly used to refer to a viral eye infection, specifically conjunctivitis. Conjunctivitis is an inflammation of the conjunctiva, which is the thin, clear tissue that covers the white part of the eye and lines the inside of the eyelid. This condition is also sometimes called "pink eye" due to the characteristic red or pink coloration of the eyes. Causes of conjunctivitis (eye flu) include: Viral Infections: Most cases of
- GeneralClass 12All
What is the difference between electrical and electronics?
Electrical" and "electronics" are related fields but refer to different aspects of technology and engineering. Here are the key differences between electrical and electronics: Scope: Electrical Engineering: This field deals with the study and application of electricity, electromagnetism, and related phenomena. Electrical engineering covers a broad range of topics, including power generation and distribution, electri
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What is the role of decomposers in the ecosystem?
Decomposers play a crucial role in the ecosystem by breaking down organic matter and returning essential nutrients to the environment. Their primary function is to decompose dead plants and animals, as well as other organic materials such as fallen leaves, feces, and remains of other organisms. This process is known as decomposition. Key roles of decomposers in the ecosystem include: Nutrient Recycling: Decomposers, such as bacteria, fungi, and certain
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What is isotonic solution?
An isotonic solution is a solution that has the same osmotic pressure as another solution with which it is compared. In the context of biological systems, particularly cells, an isotonic solution refers to a solution that has the same concentration of solutes (particles) as the solution inside a cell. This ensures that there is no net movement of water across the cell membrane, and the cell maintains its shape and size. Key points about isotonic solutions: Equal
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What is natural vegetation?
Natural vegetation refers to the plant life that grows in a particular region without any human intervention or cultivation. It includes all the native plant species that have developed and adapted to the climatic and environmental conditions of a specific area over a long period. Natural vegetation varies across different ecosystems, such as forests, grasslands, deserts, and wetlands, and it plays a crucial role in maintaining ecological balance. Key characteristics of natural vegeta
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What is the use of notes in slides?
In presentation software like Microsoft PowerPoint or Google Slides, the "Notes" feature allows presenters to add additional information, speaker notes, reminders, or cues that are not visible to the audience during the actual presentation. These notes are meant for the presenter's reference and can be a valuable tool for delivering a more effective and organized presentation. Here are some common uses of notes in slides: Speaker Guidance: Notes are
- GeneralClass 12All
What is pil?
"PIL" can refer to various things depending on the context. Here are a few possibilities: Python Imaging Library (PIL): PIL is a library in the Python programming language that adds image processing capabilities to your Python interpreter. It supports opening, manipulating, and saving many different image file formats. Public Interest Litigation (PIL): In legal terms, PIL refers to a type of litigation undertaken to promote the public
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What does Mario jump on when he completes a level?
In the classic Super Mario video games, when Mario successfully completes a level, he typically jumps on a flagpole. The end of level flagpole is a common feature in many Super Mario games, especially in the side-scrolling platformers like the original Super Mario Bros. series. Here's a typical scenario: As Mario approaches the end of a level, he often encounters a flagpole located next to a castle or another iconic structure. The player's goal is to time Mari
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What is the true shape of the earth?
The Earth is approximately an oblate spheroid, meaning it is mostly spherical in shape but slightly flattened at the poles and bulging at the equator. This shape results from the Earth's rotation, which causes a slight outward force at the equator due to the centrifugal effect. The difference in diameter between the equator and the poles is relatively small, about 43 kilometers (27 miles). The Earth's shape is often likened to that of a sphere, but the term "spheroid" is used to describe the
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What are fundamental duties?
Fundamental Duties are a set of moral and civic responsibilities that are enshrined in Part IV-A of the Constitution of India. These duties were added to the Constitution through the 42nd Amendment Act of 1976, on the recommendations of the Swaran Singh Committee. The inclusion of Fundamental Duties was inspired by the idea that citizens should not only be aware of their rights but also be conscious of their duties towards the nation and society. As of my last knowledge update in January 2022
- GeneralClass 12All
What is the capital of Kerala?
The capital of Kerala, a state in India, is Thiruvananthapuram.
- GeneralClass 12All
what is cloud kitchen?
A cloud kitchen, also known as a ghost kitchen or virtual kitchen, is a type of food service establishment that operates without a physical dining area for customers to dine in. Instead, cloud kitchens focus on preparing and delivering food to customers through online ordering platforms, mobile apps, or third-party delivery services. These kitchens are designed to streamline the food preparation and delivery process, often eliminating the need for a traditional brick-and-mortar restaurant set