Awasome Does Light Waves Need A Medium To Travel 2022

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Does Light Waves Need A Medium To Travel. In theory, an em wave can travel forever. Identify the statement that correctly describes light and how it travels?

Why is the speed of light in a vacuum constant? Why does
Why is the speed of light in a vacuum constant? Why does from medium.com

This is because unlike other types of waves, such as sound waves, water waves, etc., light waves do not need a medium to travel through. The word 'electromagnetic' (not 'electro' nor 'magnetic' but 'electromagnetic') itself is, in some ways, the answer to this question. Tap card to see definition πŸ‘†.

Why is the speed of light in a vacuum constant? Why does

However, in a material medium, light shows two properties of reflection and refraction. Light and radio waves are not mechanical but rather electromagnetic and do not need a medium. This is because unlike other types of waves, such as sound waves, water waves, etc., light waves do not need a medium to travel through. Light waves travel much faster than sound waves.