Answer:
Step-by-step explanation:
ultraviolet radiation causes common sunburn -- true
visible light is often emitted when valance electrons change their state .-true
The sun's radiation is most intense in the infrared region -true
X-rays can be produced in transition involving inner electrons in an atom -false
Electrons from the higher(outer) energy levels fill the vacancies in inner orbits
which create x rays
A vertical automobile antenna is sensitive to electric fields polarized horizontally.-true
Blue light has higher frequency than x rays -false
Gamma rays travel at the same speed as the visible light-true
Both are electromagnetic in nature.