General Q&A for Class 12 · Page 152
5,215 free answers in General for Class 12 students, across CBSE, ICSE and State boards.
Question & Answer
Questions
- GeneralClass 12All
What is another word for ancient
Common synonyms for ancient include archaic, antique, antiquated, age-old, primeval, primordial, and prehistoric, though each carries distinct nuances. Archaic emphasizes extreme oldness or obsolescence, often with negative connotations when describing outdated practices. Antique typically describes old objects of value or in
- GeneralClass 12All
What are the 20 opposite words
Here are 20 fundamental opposite word pairs that demonstrate antonyms across different categories: hot/cold (temperature), big/small (size), fast/slow (speed), happy/sad (emotion), good/bad (quality), light/dark (illumination), up/down (direction), in/out (position), left/right (lateral direction), young/old (age), ha
- GeneralClass 12All
Is modern the opposite of ancient
Yes, modern and ancient function as temporal opposites, contrasting recent or contemporary periods with civilizations and eras from the distant past. Ancient typically refers to periods before the Middle Ages, particularly classical civilizations like Greece, Rome, Egypt, or Mesopotamia. Modern, depending on context, refers either to the current era or to the period following the Middle Ages (roughly post-1500 CE). Historians use "modern" more specifically to
- GeneralClass 12All
How is a dipole moment formed?
A dipole moment forms when there's a spatial separation between centers of positive and negative charge within a system, creating a vector quantity that points from the positive to the negative charge. At the molecular level, this occurs when electrons in chemical bonds are distributed asymmetrically due to differences in electronegativity, with the electron-rich region becoming partially negative (δ-) and the electron-poor region becoming partially positive (δ+). The magnitude of
- GeneralClass 12All
What is a dipole made of?
A dipole is fundamentally made of two opposite charges or poles separated by a specific distance. In electric dipoles, these are positive and negative electric charges (or partial charges in molecular cases), while in magnetic dipoles, these are north and south magnetic poles. The essential components are the magnitude of each charge or pole strength, the separation distance between them, and the vector orientation connecting them—together these define the dipole's strength and directio
- GeneralClass 12All
What does an electric dipole consist of?
An electric dipole consists of two point charges of equal magnitude but opposite sign (one positive, one negative) separated by a fixed, small distance. This simple configuration creates an electric field pattern that's distinctly different from that of a single charge—the field lines emerge from the positive charge and terminate at the negative charge, with the strongest field concentrated near the charges and weakening rapidly with distance. The dipole is characterized by its electric
- GeneralClass 12All
Does an electric dipole consist of two electric charges?
Yes, an electric dipole fundamentally consists of two electric charges—specifically, two charges of equal magnitude but opposite polarity separated by a distance. This pairing is essential to the dipole concept: one charge is positive (+q) and the other is negative (-q), and they're separated by a vector distance d. The system's net charge is zero (they cancel out), but the spatial separation creates a charge distribution with distinct positive and negative poles, hence the name "dipole
- GeneralClass 12All
Are dipole forces polar?
Dipole forces are inherently associated with polar molecules—they exist specifically because molecules possess permanent polarity with distinct positive and negative regions. The term "dipole-dipole forces" itself refers to the electrostatic attractions between polar molecules, so by definition, these forces only occur between molecules that are polar (possess permanent dipole moments). Nonpolar molecules cannot participate in true dipole-dipole interactions because they lack the perman
- GeneralClass 12All
What makes up a dipole force?
Dipole forces are made up of electrostatic attractions between the partial positive end of one polar molecule and the partial negative end of another polar molecule. These intermolecular forces arise from the permanent dipole moments within molecules—regions of electron-rich (δ-) and electron-poor (δ+) charge density that attract oppositely charged regions on neighboring molecules. The strength of dipole forces depends on the magnitude of the dipole moments involved and the
- GeneralClass 12All
What are the parts of a dipole?
The fundamental parts of a dipole include two poles or charge centers of opposite character, the separation distance between them, and the resulting dipole moment vector that characterizes the system's strength and orientation. For an electric dipole, these parts are the positive charge center (or partial positive charge region), the negative charge center (or partial negative charge region), and the distance vector connecting them from negative to positive. The dipole moment, calculated as c
- GeneralClass 12All
What is called a dipole?
A dipole is any system characterized by two opposite poles or charges separated in space, creating a directional polarity with distinct positive and negative ends. The term applies across multiple contexts: electric dipoles involve charge separation, magnetic dipoles involve magnetic poles (north and south), and molecular dipoles involve uneven electron distribution. What makes something a dipole isn't just the presence of opposite properties, but their separation—the spatial distance b
- GeneralClass 12All
What is the state name of up?
The official full name of UP is Uttar Pradesh, which literally translates to "Northern Province" or "Northern State" in Hindi—with "Uttar" meaning north and "Pradesh" meaning province or state. This name was adopted in January 1950 when India became a republic and reorganized its administrative divisions following independence. Prior to this, the region was known as the United Provinces (often abbreviated as UP even then), a name given during British colonial rule that
- GeneralClass 12All
Is water a dipole?
Water is one of the most important dipole molecules in nature, with its oxygen atom carrying a partial negative charge and its two hydrogen atoms carrying partial positive charges. The oxygen atom's high electronegativity pulls electron density away from the hydrogen atoms in the O-H bonds, creating polarity. The bent molecular geometry (approximately 104.5° bond angle) prevents these polarities from canceling, resulting in a permanent dipole moment of 1.85 Debye—one of the stronges
- GeneralClass 12All
Which type of bond creates a dipole?
Polar covalent bonds create dipoles when two atoms with different electronegativities share electrons unequally. When atoms like oxygen, nitrogen, or fluorine (highly electronegative) bond with hydrogen, carbon, or metals (less electronegative), the shared electrons spend more time near the more electronegative atom, establishing partial charges. The greater the electronegativity difference between bonded atoms, the more pronounced the dipole—though if the difference becomes too large,
- GeneralClass 12All
What is a dipole element?
A dipole element refers to any system where positive and negative charges (or magnetic poles) are separated by a small distance, creating a distinct polarity. In chemistry and physics, this most commonly describes molecules or bonds where electron density is unevenly distributed, resulting in a partial positive charge (δ+) on one end and a partial negative charge (δ-) on the other. The separation between these charge centers defines the dipole's strength and orientation. I
- GeneralClass 12All
Which is the largest city in UP?
Lucknow is Uttar Pradesh's largest city by area, population, and administrative importance, serving as both the state capital and the seat of government. With a metropolitan population exceeding 3.5 million people (and the urban agglomeration approaching 5 million), Lucknow dwarfs other UP cities in terms of municipal area, which spans over 600 square kilometers including its development authority jurisdiction. The city's status as the largest is reinforced by its role as the political, admin
- GeneralClass 12All
Is NH3 a dipole?
Ammonia (NH3) is indeed a dipole molecule with a significant dipole moment. The nitrogen atom is more electronegative than the hydrogen atoms, creating three polar N-H bonds where electrons are pulled toward nitrogen. However, what makes NH3 particularly dipolar is its pyramidal molecular geometry—the three hydrogen atoms occupy one side while the nitrogen's lone pair of electrons sits on the opposite side, creating an asymmetric charge distribution that doesn't cancel out. This
- GeneralClass 12All
What is culture in UP?
Uttar Pradesh's culture represents a magnificent tapestry woven from thousands of years of history, synthesizing Hindu, Muslim, Buddhist, and Jain traditions into a distinctive identity that profoundly shapes Indian civilization. The state's cultural essence is defined by its deep spirituality—evident in the daily rituals along Varanasi's ghats, the devotional fervor in Mathura-Vrindavan, and the communal harmony during festivals like Diwali, Holi, and Eid. Language and literature form
- GeneralClass 12All
Which is the most visited place in Uttar Pradesh?
The Taj Mahal in Agra is unequivocally Uttar Pradesh's most visited place, attracting 7-8 million visitors annually, making it not just UP's but India's most visited tourist monument. This UNESCO World Heritage Site draws tourists from virtually every country globally, with international visitors comprising a substantial portion alongside domestic tourists, generating billions of rupees in direct and indirect revenue for the state's tourism economy. The monument's universal a
- GeneralClass 12All
Is the famous food of UP?
Uttar Pradesh's cuisine is celebrated across India and internationally, with several iconic dishes that have achieved legendary status. The most famous foods include Awadhi delicacies from Lucknow—such as galouti kebabs (so tender they melt in the mouth, originally created for a toothless nawab), kakori kebabs, biryani prepared in the dum pukht style, and nihari (slow-cooked meat stew traditionally eaten for breakfast). Chaat from UP represents another