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“The Knowledge Library”
Knowledge for All, without Barriers…
An Initiative by: Kausik Chakraborty.
“The Knowledge Library”
Knowledge for All, without Barriers……….
Knowledge for All, without Barriers…
Daily Current Affairs, News Headlines 04.02.2026 National Updates The Reserve Bank of India will hold its Monetary Policy Committee (MPC) meeting from today to Friday. The decision of RBI Governor Sanjay Malhotra lead the six-member MPC, will be announced on …
100 Facts About DNA You Didn’t Know DNA, or deoxyribonucleic acid, is the blueprint of life. It carries the genetic instructions that make each organism unique and regulates everything from physical traits to susceptibility to diseases. Despite being widely studied, …
Electric Effects of Current – CBSE Class 10 1. The flow of electric charge is called A) Current B) Voltage C) Resistance D) Power Answer: Current 2. SI unit of electric current is A) Ampere B) Volt C) Ohm D) …
Refraction of Light – CBSE Class 10 1. Refraction of light is A) Bending of light at a surface B) Reflection of light C) Dispersion of light D) Scattering of light Answer: Bending of light at a surface 2. Refractive …
Reflection of Light by Curved Surfaces – CBSE Class 10 1. A concave mirror is also called a A) Diverging mirror B) Converging mirror C) Plane mirror D) Convex lens Answer: Converging mirror 2. A convex mirror is also called …
Magnetic Effects of Current – CBSE Class 10 1. A current-carrying conductor produces A) Magnetic field around it B) Heat only C) Light D) Chemical effect Answer: Magnetic field around it 2. The magnetic field around a straight conductor is …
Vocabulary For All Competitive Exams | 03-02-2026 Having a good command of Vocabulary will help you to ace many competitive exams. So here We bring you “Vocabulary For All Competitive Exams” on a daily basis to boost Vocabulary Power and helps you …
Why Do Stars Twinkle? The Science Behind Their Shimmering Light On a clear night, stars appear to flicker or twinkle as they shine in the sky. This gentle shimmering has inspired poetry, navigation, and wonder for thousands of years. However, …
Why Does the Moon Glow at Night? The Science Behind Moonlight On clear nights, the Moon appears to glow softly in the sky, lighting up landscapes and capturing human attention across cultures and history. This gentle brightness often raises a …
Why Does the Sun Shine? The Science Behind Earth’s Source of Light and Heat The Sun shines every day, lighting our world and warming the planet. Without it, Earth would be dark, frozen, and unable to support life. Although sunlight …
Why Do Deserts Have Sand? The Science Behind Sandy Landscapes When people imagine a desert, they often picture endless sand dunes stretching to the horizon. While not all deserts are completely sandy, sand is one of the most recognizable features …
Vocabulary For All Competitive Exams | 02-02-2026 Having a good command of Vocabulary will help you to ace many competitive exams. So here We bring you “Vocabulary For All Competitive Exams” on a daily basis to boost Vocabulary Power and helps you …
Daily Current Affairs, News Headlines 03.02.2026 National Updates Indian Highways Management Company Limited under the National Highways Authority of India has signed a Memorandum of Understanding (MoU) with the National Forensic Sciences University. The MoU aims to strengthen cyber security …
MCQ Quiz on Union Budget Also Read: Budget (बजट) Highlight 2026-27
Bacterial Diseases – Quick Revision 📍 Tuberculosis Agent: Mycobacterium tuberculosis Transmission: Air-borne Prevention: BCG vaccine 📍 Diphtheria Agent: Corynebacterium diphtheriae Transmission: Person-to-person (respiratory droplets) Prevention: DTaP/DTP vaccine 📍 Cholera Agent: Vibrio cholerae Transmission: Contaminated water/food Prevention: Dukoral vaccine, sanitation 📍 …
Why Do Volcanoes Erupt? Understanding the Forces Beneath Earth’s Surface Volcanic eruptions are among the most dramatic natural events on Earth. They can create new land, reshape landscapes, and sometimes cause widespread destruction. The sight of molten lava, ash clouds, …
Budget (बजट) Highlight 2026-27 PART-A Union Minister for Finance and Corporate Affairs, Smt. Nirmala Sitharaman tabled the Union Budget 2026-27 in the parliament today. The highlights of the budget are as follows: The first Budget prepared in Kartavya Bhawan, is …
Why Does Ice Float on Water? The Simple Science Behind Floating Ice Ice floating on water is something most people have observed countless times, whether in a glass of water or a frozen lake. At first glance, this behavior seems …