science
Grade6
Easy
Question
An object is able to produce an image of another object placed in front of it. The surface of the former is ____
- Rough, polished
- Smooth, polished
- Slippery, smooth
- Smooth, frictionless
Hint:
Example: Glass, and shiny metal are reflecting surfaces.
The correct answer is: Smooth, polished
- The best surfaces for reflecting light are very smooth surfaces such as Glass mirrors or polished metals, although almost all surfaces reflect light to some degree.
- Reflection of Light: When a light wave hits a smooth flat surface, it is reflected from the surface at the same angle as it hit.
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