Question
Differentiate among opaque, translucent and transparent materials, giving one example of each.
✓
Answer
Opaque Those materials through which we cannot see at all are called opaque materials, e.g. Car board. Translucent Those materials through which we cannot see clearly are called translucent materials, e.g. Butter paper. Transparent Those materials through which we can see clearly are called transparent materials e.g. Glass.
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$(ii)$ On the second visit, why did the doctor give Vitamin D syrup along with calcium tablets?
$(iii)$ What question arises in your mind about the choices made by the doctor in giving the medicines?
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