[ 463 ] Physical Science GED ® TEST SCIENCE FLASH REVIEW • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • According to this passage, what is a wavelength? A. the distance from one peak to the next B. the highest point C. a periodic oscillation D. the distance from the zero point to the highest point According to this passage, what is amplitude? A. the distance from one peak to the next B. the highest point C. a periodic oscillation D. the distance from the zero point to the highest point According to this passage, what does the symbol λ mean? A. amplitude B. wavelength C. frequency D. speed of light