Translucent since it is possible to monitor blood flow and pulse rate by placing a light source and photo detector either side of a finger. Opaque means totally barring the passage of light.
Aluminum foil is opaque.
translucent
Opaque
Opaque
Opaque
No, the hand is not translucent. It is made up of skin, muscle, bone, blood vessels, and nerves, which are all opaque tissues that do not allow light to pass through.
No, it's translucent.
Sponge is translucent or opaque
opaque
opaque
No, a scourer is not translucent. It is typically made of metal or plastic materials that are opaque and not see-through.
It is opaque