用Quizlet學習並牢記包含Importance of Ptolemy、Importance of Copernicus、Importance of Kepler等詞語及更多內容的單詞卡。
Electromagnetic radiation can be described as a wave of energy which has a wavelength, frequency, and amplitude. Properties of Light Energy is proportional to frequency. Gamma radiation and x-rays have high energy. Radar and radio waves have low energy. Only a small part of the electromagnetic ...