Question: What are transparent materials? Give any two examples.
Answer: Materials that allow all the light to pass through them are called transparent materials. Eg: clear glass and clean water.
Question: What are translucent materials?
Answer: Materials that allow some amount of light through them are called translucent materials.
Question: What are opaque materials.
Answer: Materials that completely block the light are called opaque materials.
Question: Name any two translucent and two opaque materials.
Answer: The two translucent materials are:
- Coloured glass
- Dirty water
The two opaque materials are:
Question: Why do translucent and opaque materials form shadow?
Answer: Translucent and opaque materials form shadow because translucent objects block some light and opaque object block the light completely.