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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 has wavelengths between 400-700 nm. (correct)
- Visible light has wavelengths longer than infrared.
- Visible light is a type of gamma radiation.
- Visible light has frequencies between 750-420 terahertz.
Which of the following is NOT a property of light?
Which of the following is NOT a property of light?
- Propagation direction
- Frequency
- Intensity
- Mass (correct)
What is the speed of light in a vacuum?
What is the speed of light in a vacuum?
- $2.98 \times 10^8$ m/s
- $2.99 \times 10^8$ m/s
- $3.00 \times 10^8$ m/s (correct)
- $3.14 \times 10^8$ m/s
Which of the following types of electromagnetic radiation is also considered as light?
Which of the following types of electromagnetic radiation is also considered as light?
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What is the study of light called?
What is the study of light called?
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