Select True or False for the following statements about electromagnetic waves. 1
ID: 1784508 • Letter: S
Question
Select True or False for the following statements about electromagnetic waves.
1. Visible light is often emitted when valence electrons change their state.
2. Ultraviolet radiation causes common sunburn.
3. Gamma rays travel in vacuum at the same speed as the visible light.
4. The sun's radiation is most intense in the infrared region.
5. X-rays can be produced in transitions involving inner electrons in an atom.
6. Radio waves have higher frequencies than gamma rays.
7. A vertical automobile antenna is sensitive to electric fields polarized vertically.
Explanation / Answer
1.Visible light is often emitted when valence electrons change their state - TRUE
2. Ultraviolet radiation causes common sunburn - TRUE
3.Gamma rays travel in vacuum at the same speed as the visible light- FALSE
4. The sun's radiation is most intense in the infrared region -FALSE
5.X-rays can be produced in transitions involving inner electrons in an atom -TRUE for hogher atom
6. Radio waves have higher frequency than gamma rays - FALSE
7. A vertical automobile antenna is sensitive to electric fields polarized vertically - TRUE