{"ok":true,"q":"Wave Speed","n":84,"results":[{"id":"class_12\/physics\/chapter_08_electromagnetic_waves","title":"Chapter 8 — Electromagnetic Waves","class_num":12,"subject":"physics","subject_label":"Physics","summary":"This chapter presents electromagnetic waves as self-propagating disturbances of electric and magnetic fields that follow from Maxwell’s equations. It begins with the physical need ","topic":"Speed of Electromagnetic Waves","anchor":"topic-8"},{"id":"class_11\/geography\/chapter_03_interior_of_the_earth","title":"Chapter 3 — Interior Of The Earth","class_num":11,"subject":"geography","subject_label":"Geography","summary":"Introduction: This chapter examines the Interior of the Earth — its layered structure, composition, physical properties and the methods geoscientists use to study what lies beneath","topic":"","anchor":""},{"id":"class_07\/social_science_geography\/chapter_02_inside_our_earth","title":"Chapter 2 — Inside Our Earth","class_num":7,"subject":"social_science_geography","subject_label":"Social Science · Geography","summary":"Introduction: \"Inside Our Earth\" explains the internal structure of Earth and the dynamic processes that shape the surface. The chapter describes the layers of the Earth (crust, ma","topic":"","anchor":""},{"id":"class_11\/physics\/chapter_07_waves","title":"Chapter 7 — Waves","class_num":11,"subject":"physics","subject_label":"Physics","summary":"Chapter “Waves” (Class XI, Physics – Part II) introduces mechanical waves as organised disturbances that transport energy and information without bulk transport of matter. The chap","topic":"","anchor":""},{"id":"class_12\/physics\/chapter_02_wave_optics","title":"Chapter 10 — Wave Optics","class_num":12,"subject":"physics","subject_label":"Physics","summary":"Chapter: Wave Optics (Class 12 Physics, Physics – Part II) — This chapter develops the wave theory of light and explains optical phenomena that cannot be accounted for by ray optic","topic":"","anchor":"sec-practice"},{"id":"class_11\/geography\/chapter_14_movements_of_ocean_water","title":"Chapter 14 — Movements Of Ocean Water","class_num":11,"subject":"geography","subject_label":"Geography","summary":"Introduction: This chapter explains the movements of ocean water — waves, tides and currents — and the physical processes that generate them. It describes the origin, types, charac","topic":"Wave Motion and Behaviour","anchor":"topic-5"},{"id":"class_09\/science\/chapter_12_sound","title":"Chapter 12 — Sound","class_num":9,"subject":"science","subject_label":"Science","summary":"Chapter 'Sound' introduces sound as a mechanical wave produced by vibrating objects and transmitted only through a material medium (solid, liquid or gas). It explains the longitudi","topic":"Ultrasound and its uses","anchor":"topic-11"},{"id":"class_11\/geography\/chapter_07_natural_hazards_and_disasters","title":"Chapter 7 — Natural Hazards And Disasters","class_num":11,"subject":"geography","subject_label":"Geography","summary":"This chapter introduces natural hazards and disasters in the Indian context, explaining basic concepts, causes and differences between hazards, vulnerability and disasters. It emph","topic":"Tsunamis","anchor":"topic-5"},{"id":"class_11\/geography\/chapter_06_geomorphic_processes","title":"Chapter 6 — Geomorphic Processes","class_num":11,"subject":"geography","subject_label":"Geography","summary":"This chapter introduces geomorphic processes — the natural physical and chemical forces that shape Earth's surface. It distinguishes internal (endogenic) processes such as tectonis","topic":"Coastal and Marine Processes","anchor":"topic-8"},{"id":"class_05\/environmental_studies\/chapter_14_when_the_earth_shook","title":"Chapter 14 — When The Earth Shook","class_num":5,"subject":"environmental_studies","subject_label":"Environmental Studies (EVS)","summary":"Introduction: \"When the Earth Shook!\" introduces students to earthquakes in a simple, story-based way and then explains the science behind them. The chapter shows how the ground ca","topic":"Safety and Preparedness","anchor":"topic-9"}]}