Grade 12 – Electrostatics – Key Concepts in Physics
1. What is the concept of electric field and how is it related to electrostatics? Answer: The concept of electric …
Read MoreGrade 12 – Current Electricity – Key Concepts in Physics
1. Question: Explain the concept of resistance and its relationship with current flow in a circuit. Answer: Resistance is a …
Read MoreGrade 12 – Magnetic Effects of Current and Magnetism – Key Concepts in Physics
1. What is the origin of magnetism in materials? Explain with reference to the atomic theory and electron spin. Answer: …
Read MoreGrade 12 – Electromagnetic Induction and AC Circuits – Key Concepts in Physics
1. Explain Faraday’s law of electromagnetic induction and its significance in AC circuits. Answer: Faraday’s law of electromagnetic induction states …
Read MoreGrade 12 – Electromagnetic Waves – Key Concepts in Physics
1. How does the speed of electromagnetic waves in vacuum compare to the speed of light? Provide a detailed explanation …
Read MoreGrade 12 – Optics – Key Concepts in Physics
1. Question: Explain the phenomenon of total internal reflection and its applications in optical fibers. Answer: Total internal reflection occurs …
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