CBSE ADDA

As educators, mentors, and influencers, we understand the value of nurturing young minds for academic excellence. In the journey of imparting knowledge, it's crucial to recognize the significance of brain breaks . These short intervals of rest hold the key to enhancing students' learning experiences and overall well-being. Understanding Brain Breaks: Imagine a scenario where students are constantly engaged in studying without any breaks. The result? Fatigue, reduced concentration, and diminished creativity. Brain breaks are short, purposeful pauses taken between study sessions. They allow students to step away from their desks, stretch their bodies, and rejuvenate their minds. These breaks are not just moments of relaxation but essential tools to optimize learning. Why Brain Breaks Matter: 1. Improved Focus: Continuous learning can lead to burnout. Brain breaks prevent mental fatigue, enabling students to return to their studies with renewed focus and attention. 2....

Here's a sample question paper for a periodic test on the chapter "Compound Interest" for Class 8.  Class 8 Periodic Test Question Paper Subject: Mathematics Chapter: Compound Interest Time: 45 minutes Maximum Marks: 25 Section A - Objective Type Questions (1 Mark Each) 1. Compound interest is calculated on:    a) Only the principal amount    b) Only the interest earned    c) Principal and previously earned interest    d) Principal, interest, and time 2. The formula for calculating compound interest is:    a) A = P(1 + r/n)^(nt)    b) A = P(1 + rt)    c) A = P + rt    d) A = P(1 + r)^t 3. If the interest is compounded annually, the value of 'n' in the compound interest formula is:    a) 1    b) 2    c) 4    d) 12 Section B - Short Answer Type Questions (2 Marks Each) 4. Calculate the compound interest on Rs. 5000 at 8% per annum for 2 years, compounded...

Improving spoken English requires consistent practice and effort.  Here are 10 tips to help you enhance your spoken English skills: 1. Immerse Yourself in English: Surround yourself with English as much as possible. Watch movies, TV shows, listen to podcasts, and read books in English. This exposure helps you get accustomed to the language's rhythm and intonation. 2. Speak Regularly: Practice speaking English every day, even if it's just a few minutes. The more you speak, the more comfortable you'll become. 3. Expand Your Vocabulary: Learn new words and phrases every day. Keep a vocabulary journal to jot down new words and their meanings. Use these words in your conversations. 4. Think in English: Start thinking in English rather than translating from your native language like Hindi. This helps you speak more fluently without pausing to translate. 5. Use Language Apps: There are many language learning apps that offer speaking exercises, pronunciation practice, a...

Our environment🏙️ is a tapestry woven with ecosystems, intricate connections, and the delicate balance of life.  In Class 10 Science Chapter 15, "Our Environment," we embark on a captivating journey to understand the interplay between nature and human impact.  Let's dive into the depths of each topic, gaining a deeper appreciation for the world around us: 🌿 Ecosystems: The Symphony of Life Ecosystems are dynamic communities where organisms interact with each other and their surroundings. From the lush rainforests to the vast oceans, ecosystems vary in size and complexity. Within each, energy flows through food chains, transferring life's sustenance from producers to consumers.  Learn how trophic levels maintain equilibrium and why disruptions can lead to cascading effects on the entire ecosystem. 🌍 Environmental Problems: A Global Call to Action The flourishing of human society has brought forth environmental challenges. Pollution, deforestation, and ha...

X Class 10 Physics 📖Electricity in simplify way by JSunil sir 🔭  I'd be happy to simplify the chapter on Electricity for tenth standard🤔 students: 🪄In JSunil Sir 🪄way ⤵️➡️➡️➡️➡️⬆️⬆️↩️⤵️ #Electricity is like magic ✨ that #powers our world. It's the flow of tiny particles called electrons through wires and circuits.  👉Let's break it down into simple bits: 1. What is Electricity? Electricity💡♉ is the movement of tiny particles called electrons . Imagine them like little energy carriers that flow through materials, making things work. 2. Circuits and Pathways Think of circuits like a path for the electrons to travel. A circuit needs three things: a power🪫 source (like a battery), a pathway (wires), and something to use the electricity (a bulb or device). 3. Current ⚡and Voltage🔋 Current is the flow of electrons in a circuit, and voltage is the "push" that makes them move. It's like water flowing in a river (current) because of the slope (volta...

X Class 10 Triangle Case based MCQs 1 mark each Q1. If in two triangles ABC and PQR, AB/ QR =BC/ PR= CA/ PQ , then (A) D PQR ~ D CAB (B) D PQR ~ D ABC  (C) D CBA ~ D PQR (D) D BCA ~ D PQR Q2. In ΔABC, DE II BC intersecting AB at D and AC at E, AD = 1cm, DB = 3cm, AE  = 1.5cm, AC =? (A) 6 cm (B) 10 cm  (C) 8 cm (D) None of these Q3. In ΔABC, D is a point on AB and E is a point on AC, DE is joined. AD = 2, DB  = 3, AE = 3 cm, EC = 4.5. Is DE II BC? Q4. The lengths of the diagonals of a rhombus are 16 cm and 12 cm. Then, the  length of the side of the rhombus is (A) 9 cm (B) 10 cm  (C) 8 cm (D) 20 cm Q5. In triangles ABC and DEF, Ð B = Ð E, Ð F = Ð C and AB = 3 DE. Then, the two  triangles are (A) congruent but not similar (B) similar but not congruent (C) neither congruent nor similar (D) congruent as well as similar Q.6 The perimeters of two similar triangles ABC and PQR are respectively 36cm  and 48cm. If  PQ = 12cm, then AB = (a) 16cm (b...

JSunil Sir Way at JSUNIL TUTORIAL Education is not just about imparting knowledge; it's about igniting a spark, nurturing curiosity, and empowering students to reach their full potential.  At JSUNIL TUTORIAL, the teaching methodology revolves around a guiding principle - the JSunil Sir Way. Join us as we unravel the unique and transformative approach employed by JSunil Sir to create a learning experience that transcends traditional boundaries. 1. A Student-Centric Approach: At JSUNIL TUTORIAL, the focus is always on the students. JSunil Sir believes that every learner is unique, and their journey to success should be tailored accordingly. He takes the time to understand each student's strengths, weaknesses, and learning style, creating a personalized roadmap for academic growth. 2. Simplified Learning: Complex concepts become accessible with JSunil Sir's ability to break them down into simple and understandable terms. His teaching style is characterized by clarity, prec...

Gravitational and buoyancy force class 9 physics (science Book) Gravitation and the universal law of gravitation. The motion of objects under the influence of gravitational force on the earth. The weight of a body varies from place to place. Conditions for objects to float in liquids. 1.When we move from the poles to the equator. Hence, the value of ‘ g ’ decreases. Why Ans: The shape of earth is an ellipse so when we move from the poles to the equator the radius of the earth R increases.  Hence, the value of ‘ g ’ decreases because value 'g' is inversely proportional to the radius of earth. g = GM/R^2 2. How does the force of gravitation between two objects change when the distance between them is reduced to half? Answer: when the distance between the objects is reduced to half the gravitational force increases by four times the original force. 3.. The gravitational force acts on all objects in proportion to their masses. Why, then, a heavy object does not fall faster than a...

Class 10 physics chapter source of Energy for Class 10 science Q.1. Choose the incorrect statement Source of Energy (a) It is expected to harness wind power to minimum in open space. (b) The potential energy content of wind blowing at high altitudes is the source of wind power. (c) Wind hitting at the blades of a windmill causes them to rotate. The rotation thus achieved can be utilized further (d) One possible method of utilizing the energy of rotational motion of the blades of a windmill is to run the turbine of an electric generator. Ans (b) Q.2. Acid rain happens because: (a) sun leads to heating of upper layer of atmosphere. (b) burning of fossil fuels release oxides of carbon, nitrogen and sulphur in the atmosphere. (c) electrical charges are produced due to friction amongst clouds. (d) earth atmosphere contains acids. Ans . (b) Q.3. In a hydro power plant (a)potential energy possessed by stored water is converted into electricity. (b) kinetic energy possessed by stored water is...

X Atmospheric Refraction and Scattering and Tyndal effect of light related topic-based question answer for CBSE Board Examination CBSE NCERT Physics Class 8 and class 10 chapter light The change in path of light as it passes through the atmosphere is known as atmospheric refraction. Effects are Blue colour of sky, rainbow in the sky, difference in colours of the Sun observed during sunrise/sunset and noon, sun appears reddish whereas at noon the sun appears white. 1. What is the difference in colours of the Sun observed during sunrise/sunset and noon? Give explanation for each. Ans: During sunrise and sunset the sun appears reddish whereas at noon the sun appears white. At sunrise and sunset, the light coming from the sun has to travel a longer distance through the atmosphere to reach us. Therefore, the blue and green components of white light are gets scattered away Hence, during sunrise and sunset the sun appears reddish. When the sun is overhead at noon, then the light coming f...

X Class 10 Chemical reaction and Equation chapter wise MCQ Section – A (1 mark) 1.  4NH 3 (g) + 5O 2 (g) → 4NO(g) + 6H2O(g) is an example of  (i) displacement reaction (ii) combination reaction (iii) redox reaction (iv) neutralisation reaction (a) (i) and (iv)             (b) (ii) and (iii)              (c) (i) and (iii)             (d) (iii) and (iv) 2. Which of the following statements are correct?  3Fe(s) + 4H 2 O(g) → Fe 3 O 4 (s) + 4H 2 (g) (i) Iron metal is getting oxidised                     (ii) Water is getting reduced (iii) Water is acting as reducing agent             (iv) Water is acting as oxidising agent (a) (i), (ii) and ...