# How Do Light Rays Travel?

• When light is produced by an electromagnetic source, it radiates outward in the form of a series of concentric spheres that are spaced apart in a manner that is determined by the vibration of the source.
• When traveling from a source to its destination, light will always choose the route that is the shortest.
• The term ″ray″ refers to a line that is traced from the origin to the destination in a direction that is perpendicular to the wave fronts.

Light is a kind of electromagnetic radiation, and the routes that light energy travels along, which are often straight lines and follow narrow beams of light, are referred to as rays. Although its path can be altered by the processes of reflection and refraction, light will never deviate from a straight line throughout its travels.

## How does light travel in waves?

Light moves through space like waves. Rays of light are unable to bend in order to get around an object. Light rays can either be refracted, reflected, or absorbed during this process. Watch this video out for yourself.

## What is the direction of light when it travels?

• Light moves through space like waves.
• These are called transverse waves and they are similar to the ripples that form in a body of water.
• The direction of vibration in the waves is perpendicular to the path that the light travels, at an angle of ninety degrees.
• Because light travels in straight lines, you should always use a ruler whenever you need to portray a beam of light in a drawing.
• Light travels in straight lines.
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## What is the direction of vibration in a ray of light?

These are called transverse waves and they are similar to the ripples that form in a body of water. The direction of vibration in the waves is perpendicular to the path that the light travels, at an angle of ninety degrees. Because light travels in straight lines, you should always use a ruler whenever you need to portray a beam of light in a drawing. Light travels in straight lines.

## What happens when a ray of light passes from one medium?

When light travels from one medium to another, it experiences a transformation that causes it to move in a different direction. Refraction is the term used to describe this movement of light beams.