What distinguishes light waves from sound waves regarding propagation? 👤 By TheQuizWire ✅ Fact Checked 📊 Difficulty Medium 📅 Last Updated 01 Dec 2025 A. Require a medium B. Can travel through a vacuum C. Travel fastest in liquids D. Are longitudinal Check Answer 💡 Explanation: Light waves are electromagnetic and can travel through a vacuum, whereas sound waves require a medium. 📚 Topics: Physics Science 🎯 Exams: CSS GEN NTS PMS