1.Coin
a.opaque b.transparent c. translucent

2.Mirror
a.opaque b.transparent c.translucent

3.Test Tube
a.opaque b.transparent c.translucent

4.Onion Skin
a.opaque b.transparent c.translucent

5.Screen protector
a.opaque b.transparent c.translucent

6.Concrete wall
a.opaque b.transparent
c.translucent

7.Reading glasses
a.opaque b.transparent c.translucent

8.Parchment papers
a.opaque b.transparent c.translucent

9. water in aquarium
a.opaque b.transparent c.translucent

10.Book
a.opaque b.transparent c.translucent​