What does ‘c’ represent in physics? 👤 By TheQuizWire ✅ Fact Checked 📊 Difficulty Easy 📅 Last Updated 01 Dec 2025 A. Planck Constant B. Avogadro's Number C. Speed of Light D. Gravitational Constant Check Answer 💡 Explanation: The symbol 'c' represents the speed of light in a vacuum. 📚 Topics: Physics Science 🎯 Exams: CSS GEN NTS PMS