Grade X Lens and Mirrors Image Formation Table Grade X: Lens and Mirrors Image Formation Table Understanding how images are formed by lenses and mirrors is a foundational concept in Grade X Physics. In this post, we present a detailed and structured explanation of image formation by concave and convex mirrors as well as converging …
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Mastering Arrhenius Equation Numericals: Step-by-Step Solutions What is the Arrhenius Equation? The Arrhenius equation is a formula used to express the dependence of reaction rate on temperature and activation energy. It is written as: k = A * e-Ea/RT Where: k = rate constant A = frequency factor Ea = activation energy (J/mol) R = …
Arrhenius Equation Numericals Explained: Step-by-Step Solutions with Formulas Read More »
Pressure Calculations – Questions 11 to 20 Q11. A block weighing 48 N is placed on the ground on its base measuring 0.2 m × 0.4 m. Calculate the pressure it exerts. Solution: Area = 0.2 × 0.4 = 0.08 m² Pressure = 48 / 0.08 = 600 Pa Q12. A suitcase weighing 120 N …
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Mastering Numerical Problems on Pressure: Formulas, Solutions & Tips Understanding how to calculate pressure is a fundamental concept in physics, especially in fluid mechanics and mechanics. Whether you’re a student preparing for exams or a teacher seeking clear examples, this guide provides a comprehensive set of numerical problems on pressure with step-by-step solutions. Optimized for …
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Top Questions and Answers on Force and Pressure – Class 8 Science Guide Understanding force and pressure is crucial for students studying Class 8 Science. This guide offers over 50 concise, exam-ready Q&A-style explanations from the NCERT syllabus. Whether you want to understand the types of forces, effects of pressure, or how they apply in …
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MCQs: Nutrition and Health Set A: Nutrition and Health Question 1: Polio is caused by which of the following? a) Bacteria b) Virus c) Fungus d) Parasite Question 2: Which nutrient is primarily responsible for providing energy for daily activities? a) Proteins b) Vitamins c) Carbohydrates d) Minerals Question 3: Which of the following foods …
Physics Questions and Solutions Physics Questions and Solutions Question: The pressure which is exerted by air around us is known as: a) Force b) Atmospheric pressure c) Muscular force d) Friction Answer: b) Atmospheric pressure Question: The force exerted by the earth to pull the object towards itself is called: a) Electrostatic force b) Gravitational …
Science Worksheet (Set 16) – Questions and Answers Science Worksheet (Set 16) Topic: Circulatory System & Muscular System Grade: VII Q1. Answer the following questions: a. Imagine the septum between the left and right sides of the heart has a hole. Predict how this condition might affect the circulatory system. – The septum separates oxygenated …
Science Worksheet (Set 15) Topic: Transport in Animals and Plants Grade: VII Q1. Answer briefly: a. How do plants excrete waste products?- Plants excrete waste through stomata (gas exchange), lenticels (in woody plants), and through the process of transpiration.– Some plants store waste in leaves, bark, or fruits, which later shed.b. Each kidney contains …
Make Solenoid Lift heavier objects
