Multiple choice

Which type of objects block the path of light?

  1. Opaque

  2. Translucent

  3. Luminous

  4. Transparent

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
Transparent objects
Allow light to pass through and can clearly see through them
Water, air, glass, cellophane, plastic sheet
Translucent objects
Allow light to pass through partially and cannot see clearly through them
Frosted glass, plastic ruler, butter paper
Opaque objects
Do not allow light to pass through and cannot see through them
Table, chair, book, iron (or any metal)

So, opaque objects block the path of the light.