1. Radiation exists all around us, and is in two forms. What are the two forms of Radiation? A. lon and Cation radiation C. Sun rays and Gamma rays B. Ionizing and non-ionizing radiation D. Radio waves and Gamma rays 2. What do you call the gradual progression from the waves of lowest frequencies to the waves of highest frequencies? A. Gamma Rays C. Electromagnetic Spectrum B. Radiation D. Mechanical Waves 3. From among the EM waves, what waves have photons of high energy or high frequency? A. Radio waves B. Infrared waves C. Gamma rays D. Microwaves -4. From among the EM waves, what waves have photons with the lowest energy or lowest frequency? A. radio waves B. X-rays C. Ultraviolet d. Visible light 5. The Electromagnetic spectrum have various uses and application. In where we can use radio waves? A. Medical treatment C. Radio and TV communication B. Remote Control D. Fluorescence 6. What type of electromagnetic is used in radar? A. Infrared waves B. Microwaves C. Radio waves D. Ultra-violet rays 7. Which electromagnetic wave carries more energy than the others. A. Microwaves B. Radio waves C. UV radiation D. visible light 8. Which of the following is a long-term health effects of radiation? A. cancer B. diarrhea C. fever D. skin burns 9. The following are effects of radiation EXCEPT A. offspring are different from parents C. loss of hair