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Questions and Answers
What is the normal human audio hearing range?
What is the normal human audio hearing range?
- 15 Hz to 15 kHz
- 20 Hz to 20 kHz (correct)
- 10 Hz to 10 kHz
- 30 Hz to 30 kHz
What type of wave is responsible for the brilliant colors seen on small oil films on water on a rainy day?
What type of wave is responsible for the brilliant colors seen on small oil films on water on a rainy day?
- Dispersion
- Interference (correct)
- Polarization
- Diffraction
Which points on a vibrating cord have the maximum amplitude?
Which points on a vibrating cord have the maximum amplitude?
- Antinodes (correct)
- Crests
- Nodes
- Troughs
What is the reason why the sky appears blue in color?
What is the reason why the sky appears blue in color?
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What type of electromagnetic wave has the highest frequency?
What type of electromagnetic wave has the highest frequency?
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What is transferred between two points by waves without any transfer of mass?
What is transferred between two points by waves without any transfer of mass?
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