science
Grade-7
Easy
Question
What kind of surfaces produce a sharp image of an object placed in front of them?
- Smooth
- Polished
- Rough
- Both 1 and 2
Hint:
Smooth and polished surfaces
The correct answer is: Both 1 and 2
- Regular reflection produces sharp images.
- Smooth and polished surfaces produces sharp image of an object.
- So, the correct option is d.
Diffused reflection occurs at rough surfaces.
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