Question : The materials through which things cannot be seen are called _______.
Option 1: translucent materials
Option 2: transparent materials
Option 3: opaque materials
Option 4: pale materials
Correct Answer: opaque materials
Solution : The correct option is opaque materials.
The opaque materials are the materials through which you cannot see any light. Concrete, wood and metals are examples of opaque materials. The transparent materials are those materials from which you can see clearly. The translucent materials are those materials from which you see the object, but clarity would not be 100%.
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