Question 7 of 11beginner💡 UnderstandMCQ1 mark
Air is all around us but does not hinder us from seeing each other. Whereas, if a wooden door comes in between, we cannot see each other. It is because air is ___ and the wooden door is ___. Choose the most appropriate option:
Exercise: Let us enhance our learning | Q: 7 | (Page Page 20)
For More Understanding
Explanation
The chapter explains on Page 8 that transparent materials are those through which things can be seen clearly, with air being an example. On Page 9, opaque materials like wood are defined as those through which nothing can be seen. Since we can see clearly through air, it is transparent. Since we cannot see through a wooden door, it is opaque.