what is the meaning of phrase 3 red colour flew into her cheeks chapter 3
Answers
Answered by
0
Light travels as waves. These are transverse waves, like the ripples in a tank of water. The direction of vibration in the waves is at 90° to the direction that the light travels. Light travels in straight lines, so if you have to represent a ray of light in a drawing, always use a ruler.
Similar questions