General Q&A for Class 12 · Page 58
5,215 free answers in General for Class 12 students, across CBSE, ICSE and State boards.
Question & Answer
Questions
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What is the gutter margin?
The gutter margin is a term commonly used in the context of page layout and printing. It refers to the extra space or margin added to the inner side of a page in a printed document, typically for binding purposes. The gutter margin ensures that the content near the inner margin of a page is not obscured or lost when the document is bound, such as in a book, magazine, or booklet. Key points about the gutter margin: Binding Area: The gutter margin is the
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What is the altitude of a triangle?
The altitude of a triangle refers to the perpendicular line segment drawn from a vertex of the triangle to the side opposite that vertex. In other words, it is the line segment that connects a vertex to the base (or the side) of the triangle at a right angle. Key points about the altitude of a triangle: Perpendicular: The altitude is always drawn perpendicular to the base or the side of the triangle from the vertex. This means it forms a 90-degree angle
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What is Velocity Class 9?
In a Class 9 physics curriculum, velocity is a fundamental concept related to the motion of objects. Velocity is a vector quantity that describes both the speed and direction of an object's motion. It is an important parameter used to analyze and understand how objects move in different situations. Key points about velocity in a Class 9 context include: Definition: Velocity is defined as the rate of change of an object's displacement with respect to tim
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define monsoon What do you understand by a break in monsoon?
A monsoon is a seasonal wind pattern characterized by a distinct shift in wind direction and speed during different times of the year. Monsoons are typically associated with heavy rainfall and are most commonly observed in regions bordering the Indian Ocean, such as South Asia and Southeast Asia. However, monsoon patterns can also be found in other parts of the world, including parts of Africa and the Americas. The term "monsoon" is derived from the Arabic word "mausim," which means "
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What is gotra?
Gotrais a term used in Hinduism to denote a clan, lineage, or a group of people who are believed to share a common ancestry. It is an important concept in the social and cultural traditions of many Hindu communities, particularly in India. Gotras are often associated with the practice of arranged marriages and are used to determine matrimonial compatibility. Key points about gotra: Ancestral Lineage: Each gotra is believed to be descended from a common
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What is a tincture of iodine?
A tincture of iodine, often referred to simply as "iodine tincture," is a solution of iodine in alcohol or a mixture of alcohol and water. It is commonly used as an antiseptic and disinfectant due to its ability to kill or inhibit the growth of bacteria, viruses, and other microorganisms on the skin's surface. Tincture of iodine is brownish-orange in color and has a characteristic antiseptic smell. The primary uses of tincture of iodine include: Antiseptic for W
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What is numerical aperture?
Numerical aperture (NA) is a fundamental optical parameter used to characterize the performance and capabilities of an optical system, such as a microscope or a lens. It is a dimensionless number that provides information about the ability of the system to gather and resolve fine details of objects, particularly in microscopy and imaging applications. The numerical aperture is determined by the following formula: ��=�⋅sin(�)NA=n⋅sin(θ</em
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What are the various challenges faced by political parties?
Political parties around the world face a range of challenges, which can vary depending on the political, social, and economic context of a given country. Here are some of the common challenges faced by political parties: Changing Demographics: Political parties often struggle to appeal to a diverse and changing population with varying demographics, values, and interests. Adapting their platforms and strategies to reach different demographic groups can be a cha
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What is a capital reserve?
A capital reserve, often referred to as a capital surplus or capital reserves, is a financial term used in the context of accounting and finance to describe a portion of a company's retained earnings or equity that is set aside and earmarked for specific purposes. Capital reserves are not distributable as dividends to shareholders but are reserved to serve particular business objectives. Here are some common reasons for establishing capital reserves: Asset Replacement:<
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What is the least count?
The "least count" is a term commonly used in the context of measurement instruments and refers to the smallest increment or division on a scale or measuring device that can be read or measured accurately. It is also sometimes called the "resolution" of the instrument. The least count is essential because it determines the precision or accuracy of measurements taken with the instrument. In general, the smaller the least count, the more precise the instrument is for making measurements.
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What is the widal test?
The Widal test, also known as the Widal agglutination test, is a serological blood test used to diagnose bacterial infections, particularly those caused by the bacteria Salmonella enterica serotype Typhi (S. Typhi) and Salmonella enterica serotype Paratyphi (S. Paratyphi). These bacteria are responsible for causing typhoid fever and paratyphoid fever, both of which are characterized by high fever, abdominal pain, and gastrointestinal symptoms. The Widal test is based on the principle
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What are the limitations of Rutherford's model of the atom?
Rutherford's model of the atom, proposed in 1911, was a significant advancement in our understanding of atomic structure, but it had several limitations that led to the development of more refined models like the Bohr model and ultimately the modern quantum mechanical model. Here are the main limitations of Rutherford's atomic model: Absence of Electron Orbits: Rutherford's model did not provide any description of the arrangement or movement of electrons within
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What are the advantages of intercropping and crop rotation?
Intercropping and crop rotation are two important agricultural practices that offer several advantages, including improved soil health, pest and disease management, and increased crop yields. Here are some of the key advantages of each practice: Advantages of Intercropping: Increased Yields: Intercropping can result in higher overall crop yields compared to monoculture (planting a single crop in a field). Different crops with complement
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What is a memorandum of association?
A Memorandum of Association (MOA) is a legal document that outlines the fundamental details and objectives of a company. It is one of the key documents required for the incorporation of a company and is a crucial part of the company's constitution. The MOA defines the scope of the company's activities, its relationship with shareholders, and the structure of its share capital. The specifics regarding the contents and format of the Memorandum of Association may vary by jurisdiction, but genera
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What are the uses of rocks?
Rocks have various uses across different industries and in everyday life due to their diverse characteristics and properties. Here are some common uses of rocks: Construction Materials: Building Stones: Rocks such as granite, limestone, and sandstone are used as building stones for construction of structures, monuments, and sculptures. Aggregates: Crushed rocks like gravel and sand are essential components
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What is the full form of DVD?
The full form of DVD is "Digital Versatile Disc" or "Digital Video Disc." DVD is a widely used optical disc storage format for storing and playing back digital video, audio, and other data. It has become a standard medium for distributing movies, software, and various forms of multimedia content.
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What is a seminar?
A seminar is a meeting or conference where experts, scholars, or individuals with knowledge in a particular field gather to present and discuss various topics, share information, and engage in interactive discussions. Seminars are often organized to facilitate learning, promote collaboration, and disseminate knowledge on specific subjects. They can vary in size, format, and duration, ranging from small, informal discussions to larger, more structured events. Key characteristics of a s
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What is metamorphosis give examples.
Metamorphosis is a biological process in which an organism undergoes distinct changes in its form and structure as it progresses through different life stages. This phenomenon is particularly common in insects, amphibians, and some other groups of organisms. Two common types of metamorphosis are complete metamorphosis and incomplete metamorphosis. Complete Metamorphosis: In complete metamorphosis, the organism goes through four distinct stages: egg,
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What is the full form of news?
The term "news" does not have a specific full form because it is not an acronym. News refers to information about current events or developments, especially as reported by newspapers, radio, television, or other media. The word "news" is derived from the plural form of "new," indicating information about recent happenings or events. In journalism and media, news is typically categorized into various sections such as politics, sports, business, entertainment, and more. News organizatio
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What is a field visit in one sentence?
A field visit is a direct, on-site examination or investigation conducted outside of a usual workspace or classroom setting to gather information, conduct research, or gain practical experience.