Physics · Electromagnetic Spectrum and Radiation
Arrange the following types of cosmic and solar radiation in ascending order based on their ability to penetrate Earth's atmosphere down to sea level (from least penetrating to most penetrating): 1. Ultraviolet (UV) 2. Infrared (IR) 3. Visible Light 4. X-rays
- 14 < 1 < 3 < 2
- 21 < 4 < 2 < 3
- 34 < 2 < 1 < 3
- 44 < 1 < 2 < 3✓
Correct answer
4 < 1 < 2 < 3
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