WebLight is made up of electromagnetic waves, which can travel through a vacuum because they do not require any medium to propagate. On the other hand, sound is created by vibrations in molecules and requires a … WebSound cannot travel in a vacuum as is demonstrated in this clip from Charles Taylor's first 1989 Christmas Lecture.Watch the full first lecture of the series...

What can travel through a vacuum? - Answers

WebJun 28, 2024 · 2 Answers. Radio waves are like other frequency E&M radiation in that they can travel infinitely far in a vacuum at the speed c. c = 2.998x10^8 m/sec. Photons can have the frequency associated with the radio frequency. Radio waves are just a less energetic version of infra red or visible light, so like the other wavelengths they have a … WebLight waves do not need a medium in which to travel but sound waves do. Explain that unlike sound, light waves travel fastest through a vacuum and air, and slower through other materials such as glass or water. (Actual speeds are on the 2nd page) Tell the students that the following activity will simulate how light waves are bent because they ... employment and support allowance esa contact

How light travel in a vacuum or in an empty space? [duplicate]

WebApr 24, 2024 · A Ray of Light. When an electromagnetic source generates light, the light travels outward as a series of concentric spheres spaced in accordance with the vibration of the source. Light always takes the … WebJul 5, 2024 · Answer. Question. The wave described by y = 0.25 sin (10px – 2pt),where x and y are in meters and t in seconds, is a wave travelling along the. (a) +ve x direction with frequency 1 Hz and wavelength l = 0.2 m. (b) –ve x direction with amplitude 0.25 m and wavelength l = 0.2 m. (c) –ve x direction with frequency 1 Hz. WebAug 28, 2014 · Light waves are waves in the electromagnetic fields and these fields can exist in space and hence light can travel in space. Whereas, so und waves are the … drawing of a person crying