MCQ Practice Science 📖 Dry sand appears bright while wet sand appears dark because of-- ক diffractionখ optical illusionগ reflectionঘ refraction Favorite Practice Add to Book Explanation & Answer Detailed explanations and answers are restricted. Unlock full access by logging in to your account. 🔒 Unlock the detailed explanation and answers Log In / Sign Up Previous Dry ice is-- Next Ecology deals with---