{"id":1513,"date":"2023-04-11T17:02:27","date_gmt":"2023-04-11T11:32:27","guid":{"rendered":"https:\/\/edunovations.com\/notes\/?p=1513"},"modified":"2023-04-11T20:54:16","modified_gmt":"2023-04-11T15:24:16","slug":"class-8th-physics-key-concepts","status":"publish","type":"post","link":"https:\/\/edunovations.com\/notes\/science\/physics\/class-8th-physics\/class-8th-physics-key-concepts\/","title":{"rendered":"Class 8th Physics Key Concepts on Force, Pressure, Sound, Light, and Electricity"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/edunovations.com\/notes\/science\/physics\/class-8th-physics\/class-8th-physics-key-concepts\/#Class_8th_Physics_Key_Concepts_on_Force_Pressure_Sound_Light_and_Electricity\" >Class 8th Physics Key Concepts on Force, Pressure, Sound, Light, and Electricity<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/edunovations.com\/notes\/science\/physics\/class-8th-physics\/class-8th-physics-key-concepts\/#Table_of_Class_8th_Physics_Key_Concepts\" >Table of Class 8th Physics Key Concepts:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/edunovations.com\/notes\/science\/physics\/class-8th-physics\/class-8th-physics-key-concepts\/#What_Should_a_Student_Study_in_Physics_from_Class_8th\" >What Should a Student Study in Physics from Class 8th?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/edunovations.com\/notes\/science\/physics\/class-8th-physics\/class-8th-physics-key-concepts\/#Force_and_Pressure\" >Force and Pressure:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/edunovations.com\/notes\/science\/physics\/class-8th-physics\/class-8th-physics-key-concepts\/#Sound\" >Sound:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/edunovations.com\/notes\/science\/physics\/class-8th-physics\/class-8th-physics-key-concepts\/#Light\" >Light:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/edunovations.com\/notes\/science\/physics\/class-8th-physics\/class-8th-physics-key-concepts\/#Electricity_and_Magnetism\" >Electricity and Magnetism:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/edunovations.com\/notes\/science\/physics\/class-8th-physics\/class-8th-physics-key-concepts\/#Class_8th_Physics_Key_Concepts_to_Focus_on\" >Class 8th Physics Key Concepts to Focus on:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/edunovations.com\/notes\/science\/physics\/class-8th-physics\/class-8th-physics-key-concepts\/#Conclusion\" >Conclusion:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/edunovations.com\/notes\/science\/physics\/class-8th-physics\/class-8th-physics-key-concepts\/#Some_main_FAQs_for_class_8th_on_physics\" >Some main FAQs for class 8th on physics:<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/edunovations.com\/notes\/science\/physics\/class-8th-physics\/class-8th-physics-key-concepts\/#What_is_force_and_pressure\" >What is force and pressure?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/edunovations.com\/notes\/science\/physics\/class-8th-physics\/class-8th-physics-key-concepts\/#What_is_sound_propagation\" >What is sound propagation?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/edunovations.com\/notes\/science\/physics\/class-8th-physics\/class-8th-physics-key-concepts\/#What_is_light\" >What is light?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/edunovations.com\/notes\/science\/physics\/class-8th-physics\/class-8th-physics-key-concepts\/#What_is_electricity_and_magnetism\" >What is electricity and magnetism?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/edunovations.com\/notes\/science\/physics\/class-8th-physics\/class-8th-physics-key-concepts\/#What_are_the_key_topics_to_focus_on_in_class_8th_physics\" >What are the key topics to focus on in class 8th physics?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/edunovations.com\/notes\/science\/physics\/class-8th-physics\/class-8th-physics-key-concepts\/#What_is_the_importance_of_studying_physics\" >What is the importance of studying physics?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/edunovations.com\/notes\/science\/physics\/class-8th-physics\/class-8th-physics-key-concepts\/#What_are_some_practical_applications_of_physics\" >What are some practical applications of physics?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/edunovations.com\/notes\/science\/physics\/class-8th-physics\/class-8th-physics-key-concepts\/#What_are_some_examples_of_optical_devices\" >What are some examples of optical devices?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/edunovations.com\/notes\/science\/physics\/class-8th-physics\/class-8th-physics-key-concepts\/#What_are_some_examples_of_circuits\" >What are some examples of circuits?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/edunovations.com\/notes\/science\/physics\/class-8th-physics\/class-8th-physics-key-concepts\/#What_is_the_difference_between_electric_and_magnetic_fields\" >What is the difference between electric and magnetic fields?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Class_8th_Physics_Key_Concepts_on_Force_Pressure_Sound_Light_and_Electricity\"><\/span>Class 8th Physics Key Concepts on Force, Pressure, Sound, Light, and Electricity<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Class 8th physics builds on the concepts studied in class 7th. Students learn more advanced concepts and practical applications of physics. Here are some key topics that students should focus on:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Table_of_Class_8th_Physics_Key_Concepts\"><\/span>Table of Class 8th Physics Key Concepts:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Topics<\/th><th>Key Concepts<\/th><\/tr><\/thead><tbody><tr><td>Force and Pressure<\/td><td>Types of forces, contact and non-contact forces, effects on objects, pressure, units of measurement, fluid pressure, and atmospheric pressure<\/td><\/tr><tr><td>Sound<\/td><td>Types of waves, propagation, longitudinal waves, frequency, pitch, echo, reverberation, and applications<\/td><\/tr><tr><td>Light<\/td><td>Types of light, visible, ultraviolet, and infrared, reflection, refraction, dispersion, optical devices, and applications<\/td><\/tr><tr><td>Electricity and Magnetism<\/td><td>Types of circuits, series and parallel circuits, components, electromagnetism, generation of electricity, motors, generators, and applications<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Class 8th Physics Key Concepts:<\/figcaption><\/figure>\n\n\n\n<p>These key concepts should be understood thoroughly by students in class 8th physics as they form the foundation for more advanced topics in the subject. By understanding these concepts, students will be better equipped to tackle more complex topics in higher classes.<\/p>\n\n\n\n<script async=\"\" src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6643489308705072\" crossorigin=\"anonymous\"><\/script>\n<!-- inside Notes Content -->\n<ins class=\"adsbygoogle\" style=\"display:block\" data-ad-client=\"ca-pub-6643489308705072\" data-ad-slot=\"3136628137\" data-ad-format=\"auto\" data-full-width-responsive=\"true\"><\/ins>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Should_a_Student_Study_in_Physics_from_Class_8th\"><\/span>What Should a Student Study in Physics from Class 8th?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Class 8th physics is an important stage in a student&#8217;s academic journey, as it builds on the foundation laid in earlier classes and introduces students to more complex concepts. Here are the key topics that students should focus on in class 8th physics:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Force_and_Pressure\"><\/span>Force and Pressure:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>In class 8th physics, students learn about force and pressure and their applications. They learn about the different types of forces, such as contact and non-contact forces, and their effects on objects.<\/p>\n\n\n\n<p>Students also learn about pressure and its units of measurement, as well as the principles of fluid pressure and atmospheric pressure. They also learn about the applications of pressure, such as in hydraulic systems.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Sound\"><\/span>Sound:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>In class 8th physics, students learn about sound and its propagation. They learn about the different types of waves, including longitudinal waves, and how they propagate through different media.<\/p>\n\n\n\n<p>Students also learn about the concept of pitch and how it is related to the frequency of sound waves. They also learn about the principles of echo and reverberation, and how they can be used in communication.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Light\"><\/span>Light:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>In class 8th physics, students learn about light and its properties. They learn about the different types of light, including visible, ultraviolet, and infrared, and how they can be detected.<\/p>\n\n\n\n<p>Students also learn about the principles of reflection and refraction, and how they are used in optical devices such as mirrors and lenses. They also learn about the concept of dispersion and how it is related to the formation of rainbows.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Electricity_and_Magnetism\"><\/span>Electricity and Magnetism:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>In class 8th physics, students learn about electricity and magnetism and their applications. They learn about the different types of circuits, such as series and parallel circuits, and the components that make up a circuit.<\/p>\n\n\n\n<p>Students also learn about the principles of electromagnetism and how it is related to the generation of electricity. They also learn about the applications of electricity and magnetism, such as in motors and generators.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Class_8th_Physics_Key_Concepts_to_Focus_on\"><\/span>Class 8th Physics Key Concepts to Focus on:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Force and pressure &#8211; types of forces, pressure, fluid pressure, and atmospheric pressure<\/li>\n\n\n\n<li>Sound &#8211; types of waves, propagation, pitch, echo, and reverberation<\/li>\n\n\n\n<li>Light &#8211; types of light, reflection, refraction, dispersion, and optical devices<\/li>\n\n\n\n<li>Electricity and magnetism &#8211; circuits, components, electromagnetism, and applications<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Class 8th physics builds on the foundation laid in earlier classes and introduces students to more complex concepts. Students should focus on the key topics outlined above and understand the concepts thoroughly. By doing so, they will be better equipped to tackle more advanced concepts in the future and develop a strong foundation in physics.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\" id=\"Class-8th-Physics-Key-Concepts\"><img fetchpriority=\"high\" decoding=\"async\" width=\"960\" height=\"500\" src=\"https:\/\/edunovations.com\/notes\/wp-content\/uploads\/2023\/04\/Class-6th-Physics-Elbert-einstein-1-1.jpg\" alt=\"Class 8th Physics Key Concepts Elbert Einstein\" class=\"wp-image-1501\" title=\"Class 8th Physics Key Concepts\" srcset=\"https:\/\/edunovations.com\/notes\/wp-content\/uploads\/2023\/04\/Class-6th-Physics-Elbert-einstein-1-1.jpg 960w, https:\/\/edunovations.com\/notes\/wp-content\/uploads\/2023\/04\/Class-6th-Physics-Elbert-einstein-1-1-300x156.jpg 300w, https:\/\/edunovations.com\/notes\/wp-content\/uploads\/2023\/04\/Class-6th-Physics-Elbert-einstein-1-1-768x400.jpg 768w, https:\/\/edunovations.com\/notes\/wp-content\/uploads\/2023\/04\/Class-6th-Physics-Elbert-einstein-1-1-150x78.jpg 150w\" sizes=\"(max-width: 960px) 100vw, 960px\" \/><figcaption class=\"wp-element-caption\">Class 8th Physics Key Concepts &#8220;Elbert Einstein&#8221;<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Some_main_FAQs_for_class_8th_on_physics\"><\/span>Some main FAQs for class 8th on physics:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_force_and_pressure\"><\/span>What is force and pressure? <span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>In class 8th physics, students learn about force and pressure and their applications. They learn about the different types of forces, such as contact and non-contact forces, and their effects on objects. Students also learn about pressure and its units of measurement, as well as the principles of fluid pressure and atmospheric pressure.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_sound_propagation\"><\/span>What is sound propagation? <span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Sound propagation refers to the way in which sound waves travel through different media, such as air, water, and solids. In class 8th physics, students learn about the different types of waves, including longitudinal waves, and how they propagate through different media.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_light\"><\/span>What is light? <span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Light is a form of electromagnetic radiation that travels in waves. In class 8th physics, students learn about the different types of light, including visible, ultraviolet, and infrared, and how they can be detected. They also learn about the principles of reflection and refraction, and how they are used in optical devices such as mirrors and lenses.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_electricity_and_magnetism\"><\/span>What is electricity and magnetism? <span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Electricity and magnetism are closely related phenomena. In class 8th physics, students learn about the different types of circuits, such as series and parallel circuits, and the components that make up a circuit, such as resistors, capacitors, and batteries. They also learn about the principles of electromagnetism and how it is related to the generation of electricity.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_are_the_key_topics_to_focus_on_in_class_8th_physics\"><\/span>What are the key topics to focus on in class 8th physics? <span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The key topics to focus on in class 8th physics include force and pressure, sound propagation, light and its properties, and electricity and magnetism.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_the_importance_of_studying_physics\"><\/span>What is the importance of studying physics? <span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Studying physics is important as it helps students understand the fundamental principles of the natural world and lays the foundation for many other fields such as engineering, medicine, and technology.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_are_some_practical_applications_of_physics\"><\/span>What are some practical applications of physics? <span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Physics has practical applications in many fields, including engineering, medicine, electronics, and space exploration. It has contributed significantly to the advancement of technology and our understanding of the universe.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_are_some_examples_of_optical_devices\"><\/span>What are some examples of optical devices? <span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Optical devices are used in many applications, such as in telescopes, microscopes, and cameras. In class 8th physics, students learn about the principles of reflection and refraction and how they are used in optical devices such as mirrors and lenses.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_are_some_examples_of_circuits\"><\/span>What are some examples of circuits? <span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Circuits are used in many applications, such as in light bulbs, televisions, and computers. In class 8th physics, students learn about the different types of circuits, such as series and parallel circuits, and the components that make up a circuit, such as resistors, capacitors, and batteries.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_the_difference_between_electric_and_magnetic_fields\"><\/span>What is the difference between electric and magnetic fields? <span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Electric fields are generated by electric charges, while magnetic fields are generated by moving charges. In class 8th physics, students learn about the principles of electromagnetism and how it is related to the generation of electricity.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button aligncenter is-style-outline is-style-outline--1\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/notes\/category\/class-8th\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">Notes For Class 8th<\/mark><\/strong><\/a><\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.edunovations.quiz\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" width=\"900\" height=\"150\" src=\"https:\/\/edunovations.com\/notes\/wp-content\/uploads\/2023\/03\/Banner-for-Notes-Section.jpg\" alt=\"Free MCQs for GK and Exam preparations\" class=\"wp-image-826\" title=\"\" srcset=\"https:\/\/edunovations.com\/notes\/wp-content\/uploads\/2023\/03\/Banner-for-Notes-Section.jpg 900w, https:\/\/edunovations.com\/notes\/wp-content\/uploads\/2023\/03\/Banner-for-Notes-Section-300x50.jpg 300w, https:\/\/edunovations.com\/notes\/wp-content\/uploads\/2023\/03\/Banner-for-Notes-Section-768x128.jpg 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/a><figcaption class=\"wp-element-caption\">Free MCQs for GK and Exam preparations<\/figcaption><\/figure>\n\n\n\n<script async=\"\" src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6643489308705072\" crossorigin=\"anonymous\"><\/script>\n<!-- inside Notes Content -->\n<ins class=\"adsbygoogle\" style=\"display:block\" data-ad-client=\"ca-pub-6643489308705072\" data-ad-slot=\"3136628137\" data-ad-format=\"auto\" data-full-width-responsive=\"true\"><\/ins>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Class 8th Physics Key Concepts on Force, Pressure, Sound, Light, and Electricity Class 8th physics builds on the concepts studied in class 7th. Students learn more advanced concepts and practical applications of physics. Here are some key topics that students should focus on: Table of Class 8th Physics Key Concepts: Topics Key Concepts Force and&#8230;<\/p>\n","protected":false},"author":1,"featured_media":1516,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[309,308],"tags":[300,312,290,313,311,281,289,287,310,283,288,301,282],"class_list":["post-1513","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-class-8th-physics","category-class-8","tag-advanced-topics","tag-class-8th-physics","tag-education","tag-electricity-and-magnetism","tag-force","tag-key-concepts","tag-light","tag-natural-world","tag-pressure","tag-quick-notes","tag-science","tag-sound","tag-table-of-key-concepts"],"_links":{"self":[{"href":"https:\/\/edunovations.com\/notes\/wp-json\/wp\/v2\/posts\/1513","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/edunovations.com\/notes\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/edunovations.com\/notes\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/edunovations.com\/notes\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/edunovations.com\/notes\/wp-json\/wp\/v2\/comments?post=1513"}],"version-history":[{"count":0,"href":"https:\/\/edunovations.com\/notes\/wp-json\/wp\/v2\/posts\/1513\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/edunovations.com\/notes\/wp-json\/wp\/v2\/media\/1516"}],"wp:attachment":[{"href":"https:\/\/edunovations.com\/notes\/wp-json\/wp\/v2\/media?parent=1513"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/edunovations.com\/notes\/wp-json\/wp\/v2\/categories?post=1513"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/edunovations.com\/notes\/wp-json\/wp\/v2\/tags?post=1513"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}