Opaque

Summary: Materials that do not transmit light are opaque. Opaque materials produce shadows. You can predict the size and shape of shadows because light travels in straight lines. Tags: science student-book-7 physics Created: 2026-05-21 Last Updated: 2026-05-21

Opaque

Materials that do not transmit light are opaque. Opaque materials produce shadows. You can predict the size and shape of shadows because light travels in straight lines.

Source

This concept is from the [Science Student Book 7](Science Student Book 7/Physics/Light/3.1 Light.md), Physics section.