General Q&A for Class 12 · Page 11
5,215 free answers in General for Class 12 students, across CBSE, ICSE and State boards.
Question & Answer
Questions
- GeneralClass 12All
What is primary memory?
Primary memory, also known as main memory or RAM (Random Access Memory), refers to the volatile memory in a computer system that is used to store data and instructions that are actively being used or processed by the CPU (Central Processing Unit). Primary memory is temporary and loses its content when the computer is powered off. Key characteristics of primary memory include: Volatile Nature: Primary memory is volatile, meaning that it loses its stored data wh
- GeneralClass 12All
What is a balanced chemical equation?
A balanced chemical equation is a representation of a chemical reaction that shows the same number of atoms of each element on both the reactant and product sides. In a balanced equation, the principle of conservation of mass is upheld, meaning that the total mass of the reacting substances is equal to the total mass of the products formed. The key features of a balanced chemical equation include: Reactants and Products: The chemical equation begins with the r
- GeneralClass 12All
what is bank rate?
The term "bank rate" can have different meanings depending on the context. Here are two common interpretations: Central Bank Rate: In the context of central banking, the term "bank rate" often refers to the interest rate at which a central bank lends money to commercial banks. This rate is set by the central bank and serves as a benchmark for other interest rates in the economy. In some countries, this rate may be called the "discount rate" or "policy rate." B
- GeneralClass 12All
What is fir?
"FIR" can refer to different things depending on the context. Here are a couple of common meanings: FIR as a Type of Filter: In signal processing, FIR stands for "Finite Impulse Response." An FIR filter is a type of digital filter characterized by its finite-duration response to an input signal. The impulse response of an FIR filter is finite in length, and it does not involve feedback. FIR filters are widely used in applications such as digital signal process
- GeneralClass 12All
What is inductor?
An inductor is a passive electronic component that stores energy in a magnetic field when an electric current flows through it. It is typically made by winding a wire into a coil and is represented by the symbol "L" in circuit diagrams. The fundamental principle behind an inductor is electromagnetic induction, which was discovered by Michael Faraday. Key characteristics and features of inductors include: Coil Structure: Inductors are usually made by winding a
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What is the role of the epidermis in plants?
The epidermis is the outermost layer of cells in plant tissues, covering the entire plant body, including stems, leaves, roots, flowers, and fruits. It serves several important functions in plants: Protection: The primary role of the epidermis is to provide a protective barrier for the underlying plant tissues. It acts as the first line of defense against physical damage, pathogens, and environmental stresses such as excessive sunlight, wind, and water loss. Prevention of Wate
- GeneralClass 12All
What are isobars?
Isobars are lines on a weather map that connect points of equal atmospheric pressure. These lines are used to depict and analyze pressure patterns in a given region. Isobars are analogous to contour lines on a topographic map, connecting points of equal elevation. Key points about isobars include: Pressure Representation: Isobars provide a visual representation of atmospheric pressure variations across a geographic area. Meteorologists use them to identify hig
- GeneralClass 12All
Key features of the Chipko movement include:
Origins: The movement had its roots in the state of Uttarakhand (formerly part of the state of Uttar Pradesh) in the Himalayan region of India. The local communities, particularly women, were concerned about the deforestation and its impact on their lives and livelihoods. Environmental Concerns: The Chipko movement was a response to the large-scale commercial logging that was taking place in the region, leading to deforestation, soil erosion, and disruptions to local ecosystems. The v
- GeneralClass 12All
Key characteristics of Zener diodes include:
Zener Voltage (Vz): This is the voltage at which the Zener diode begins to conduct in the reverse bias direction. Once the reverse voltage across the Zener diode reaches its Zener voltage, a stable and predictable voltage drop occurs. Breakdown Region: Zener diodes are designed to operate in the breakdown region, also known as the Zener breakdown or avalanche breakdown region. In this region, a small change in reverse voltage leads to a significant change in current. Voltage R
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Key features of the Rowlatt Act included:
No Trial: Individuals arrested under the Rowlatt Act could be detained without trial, and the normal legal safeguards, such as the right to legal representation, were suspended. Detention Period: The Act allowed for the detention of individuals for a maximum period of two years without filing formal charges or conducting a trial. No Right to Habeas Corpus: The detainees had no right to seek a writ of habeas corpus, which is a legal order that requires a person under arrest to
- GeneralClass 12All
What are allotropes?
Allotropes are different structural forms of the same element, occurring in the same physical state. In other words, allotropes are different arrangements of atoms of the same chemical element. These different structural forms can exhibit distinct physical and chemical properties while being composed of the same type and number of atoms. Here are a few examples of elements that have allotropes: Carbon: Diamond: Each carbon atom is tetrahedrally bonded to four other car
- GeneralClass 12All
What is Tyndall effect?
The Tyndall effect is a phenomenon of light scattering observed in a colloidal dispersion or a suspension. It is named after the 19th-century British scientist John Tyndall, who first described the effect. When a beam of light passes through a transparent medium containing small particles or droplets, the light gets scattered in various directions. This scattering of light is known as the Tyndall effect. The scattered light is more visible at right angles to the incident light, making
- GeneralClass 12All
What is sanatan dharma?
Sanatan Dharma, often referred to as Hinduism, is an ancient and complex religious and philosophical tradition that originated in the Indian subcontinent. The term "Sanatan Dharma" translates to "eternal religion" or "eternal order." It encompasses a wide range of beliefs, practices, rituals, and philosophies that have evolved over thousands of years. Key aspects of Sanatan Dharma include: Dharma: The concept of dharma is central to Hinduism. It refers to the
- GeneralClass 12All
What about you meaning in Tamil?
In Tamil, the phrase "What about you?" can be translated as "நீ எப்படி?" (pronounced as "Nī eppaṭi?").
- GeneralClass 12All
What meaning in Tamil?
In Tamil, the word "what" is translated as "என்ன" (pronounced as "enna").
- GeneralClass 12All
What is tomorrow?
In Hindi, "tomorrow" is translated as "कल" (pronounced as "kal"). If you want to ask "What is tomorrow?" you can say "कल क्या है?" (pronounced as "kal kya hai?").
- GeneralClass 12All
What are you doing meaning in Hindi?
The phrase "What are you doing?" can be translated into Hindi as "तुम क्या कर रहे हो?" (pronounced as "tum kya kar rahe ho?") in an informal context. If you want to use a more formal tone, you can say "आप क्या कर रहे हैं?" (pronounced as "aap kya kar rahe hain?").
- GeneralClass 12All
What about you meaning in Hindi?
In Hindi, the word "you" can be translated as "तुम" (tum) or "आप" (aap), depending on the level of formality and the context of the conversation. "तुम" is used in more informal settings, such as among friends or family, while "आप" is a more formal and respectful form, often used when addressing elders, strangers, or in professional situations.
- GeneralClass 12All
What is the Indian legend regarding the discovery of tea?
The legend of tea's discovery in India is often attributed to Bodhidharma, a Buddhist monk and the founder of Zen Buddhism. According to the legend, Bodhidharma traveled from India to China in the 6th century, bringing with him the principles of Chan Buddhism. During his journey, he is said to have spent nine years meditating in a cave. It is believed that Bodhidharma faced challenges staying awake during his long meditation sessions. In order to overcome drowsiness and maintain alert
- GeneralClass 12All
What is the Department of education?
The term "Department of Education" typically refers to a government agency or ministry responsible for overseeing and regulating education within a specific jurisdiction. The structure, responsibilities, and scope of a Department of Education can vary from country to country. In the United States, for example, there is a federal Department of Education, as well as individual state departments that manage education at the state level. Similarly, other countries may have national and regional d