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Questions and Answers
Which of the following is true about visible light?
Which of the following is true about visible light?
- Visible light is defined as having wavelengths shorter than ultraviolet.
- Visible light has wavelengths in the range of 400-700 nm.
- Visible light is a type of electromagnetic radiation. (correct)
- Visible light has frequencies in the range of 750-420 THz.
Which of the following is NOT a property of light?
Which of the following is NOT a property of light?
- Wavelength spectrum
- Propagation direction
- Mass (correct)
- Intensity
What is the speed of light in vacuum?
What is the speed of light in vacuum?
- $300,000,000 \, \text{m/s}$
- $299,792,458 \, \text{m/s}$ (correct)
- $3.14 \times 10^8 \, \text{m/s}$
- $3 \times 10^8 \, \text{m/s}$
What are photons?
What are photons?
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What is the study of light called?
What is the study of light called?
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