Final answer:
Opaque, transparent, and translucent materials differ in how they allow light to pass through them.
Explanation:
Opaque materials do not allow light to pass through them. An example is an iron meteorite slice, shown in Figure 2.1.2(b).
Transparent materials allow light to pass through with high transmittance. A Petri dish made of glass, as in Figure 2.1.2(a), is an example.
Translucent materials allow some light to pass through, but not completely. An example is frosted glass, where light is diffused but not clear.
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