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Questions and Answers
What is the speed of light in vacuum?
What is the speed of light in vacuum?
- 294957 km/s
- 299792458 m/s (correct)
- 310000000 m/s
- 300000000 m/s
Which electromagnetic radiation is also considered as light in physics?
Which electromagnetic radiation is also considered as light in physics?
- Gravity waves
- Gamma rays (correct)
- Cosmic rays
- Sound waves
What are the primary properties of light?
What are the primary properties of light?
- Energy, temperature, pressure, and density
- Velocity, color, amplitude, and refraction
- Intensity, propagation direction, frequency or wavelength spectrum, and polarization (correct)
- Mass, volume, density, and charge
Which range of wavelengths defines visible light?
Which range of wavelengths defines visible light?
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What is the main source of natural light on Earth?
What is the main source of natural light on Earth?
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