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Friction Class 8 Extra Questions and Answers Science Chapter 12
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Frictional Electricity - Gurukul of Excellence
WebApr 11, 2024 · It reduces friction. Chapter 12 Class 8 Science Question 14. Can we reduce friction to zero by polishing surfaces or using large amount of lubricants? Answer: ... Rolling friction < Sliding friction < Static friction. Multiple Choice Questions (MCQs) 1. Which of the following cannot be easily charged by friction? (a) A plastic scale (b) An ... WebApr 13, 2024 · Comprehensive coverage: Our study materials covers all the topics and subtopics that are included in the ICSE Class 9 Physics syllabus. Clarity and simplicity: The language and explanations are very clear and easy to understand. Complex concepts are explained in a simple and easy-to-follow manner. WebMay 27, 2024 · Choose the correct option. Question 1. The voice box is also called as (a) stomach (b) heart (c) larynx (d) mouth Answer Question 2. Sound is a kind of (a) work (b) energy (c) force (d) pressure Answer Question 3. The hearing range of human ear is (a) 20 Hz to 20,000 Hz (b) less than 20 Hz (c) more than 20,000 Hz (d) 20 Hz to 25,000 Hz … make your own travel coffee mug