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Optics 
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Q: What is the range of frequency for audible sound waves?
Optics
Learn More MCQ Questions from Science Optics
In this section, we see about the lesson 2 which is optics. It is all about light and its properties.
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Learn More MCQ Questions from Science Optics
In this section, we see about the lesson 2 which is optics. It is all about light and its properties.