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Questions and Answers
Which of the following is NOT a source of light energy?
Which of the following is NOT a source of light energy?
- Fire
- Sun
- Moon (correct)
- Electricity
Which of the following is an example of artificial light source?
Which of the following is an example of artificial light source?
- Lightning
- Stars
- Candle (correct)
- Rainbow
Which of the following is a form of light energy that is invisible to the human eye?
Which of the following is a form of light energy that is invisible to the human eye?
- Ultraviolet
- Visible
- X-ray
- Infrared (correct)
Which of the following is a source of sound energy?
Which of the following is a source of sound energy?
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What is the primary source of sound energy for musical instruments?
What is the primary source of sound energy for musical instruments?
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Which of the following is an example of a natural source of sound energy?
Which of the following is an example of a natural source of sound energy?
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Study Notes
Light Energy
- Not a source of light energy: TBD (To Be Determined, as no specific option is provided)
- Example of artificial light source: TBD (To Be Determined, as no specific option is provided)
Types of Light Energy
- Invisible to the human eye: one form of light energy (e.g., ultraviolet or X-ray)
Sound Energy
- Source of sound energy: TBD (To Be Determined, as no specific option is provided)
- Primary source of sound energy for musical instruments: Vibrations (e.g., strings, membranes, or air columns)
- Example of natural source of sound energy: Human voice, waterfall, or wind
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