Light waves can travel without a medium?

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Santa Kunde asked a question: Light waves can travel without a medium?
Asked By: Santa Kunde
Date created: Mon, Jun 7, 2021 8:38 AM
Date updated: Thu, May 12, 2022 1:31 PM

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Top best answers to the question «Light waves can travel without a medium»

Sir,light travels without medium (there is nothing between sun and earth) while the other two travel in mediums, sound in air water wave in water. Oh, thats not true light comes to earth and on earth it travels through air.

FAQ

Those who are looking for an answer to the question «Light waves can travel without a medium?» often ask the following questions:

❔ Can waves travel without medium?

Electromagnetic waves travel without a medium… Water and sound waves are mechanical and require a medium in order to travel. Light and radio waves are not mechanical but rather electromagnetic and do not need a medium.

❔ Light waves travel fastest in what medium?

Answer: The light travels fastest in Ice. Explanation: Refractive index is defined as the ratio of speed of light in vacuum to the speed of light in the medium. More the refractive index, less will be the speed and the light will travel slower and vice-versa.

❔ Does light waves need a medium to travel?

Water and sound waves are mechanical and require a medium in order to travel. Light and radio waves are not mechanical but rather electromagnetic and do not need a medium.

Your Answer

We've handpicked 21 related questions for you, similar to «Light waves can travel without a medium?» so you can surely find the answer!

How does light travel in space without any medium?

Electromagnetic waves differ from mechanical waves in that they do not require a medium to propagate. This means that electromagnetic waves can travel not only through air and solid materials, but also through the vacuum of space.

How does light travel through space without a medium?
  • In contrast, light waves can travel through a vacuum, and do not require a medium. In empty space, the wave does not dissipate (grow smaller) no matter how far it travels, because the wave is not interacting with anything else. This is why light from distant stars can travel through space for billions of light-years and still reach us on earth.
Why can light travel with or without a medium?

According to electromagnetic theory of light, light is made up of oscillating electrical and magnetic fields in mutually perpendicular directions. Since both electrical and magnetic fields or energy need any medium to travel therefore light also does not require a medium to travel.

Do radio waves need medium to travel?

no they do not, they can travel through vacuums and do not need particles to travel as sound waves do. radio waves are transverse waves whereas sound waves are not

In which medium does longitudinal waves travel?

Sound waves in air (and any fluid medium) are longitudinal waves because particles of the medium through which the sound is transported vibrate parallel to the direction that the sound wave moves. A vibrating string can create longitudinal waves as depicted in the animation below.

In which medium sound waves travel faster?
  • Sound travels fastest in solids and slowest in air. Water is in between. This is because the particles in solids are closer together than the particles in liquids or gases, and the particles in liquids are closer together than the particles in gases.
What medium do longitudinal waves travel fast?
  • Primary waves (also called pressure waves) are longitudinal in nature. They travel faster than other waves (up to 8 km/s in Earth’s mantle and core, and 6 km/s in Earth’s crust) and thus are the first signals detected on seismographs. P-waves can travel through solid rocks and fluids (liquid layers) of the Earth in a special pattern.
What medium do sound waves travel through?
  • Sound waves need to travel through a medium such as a solid, liquid, or gas. The sound waves move through each of these mediums by vibrating the molecules in the matter. The molecules in solids are packed very tightly.
What medium do waves travel fastest in?

Of the three mediums (gas, liquid, and solid) sound waves travel the slowest through gases, faster through liquids, and fastest through solids. Temperature also affects the speed of sound.

What waves require a medium to travel?

Mechanical waves are waves that require a medium. This means that they have to have some sort of matter to travel through. These waves travel when molecules in the medium collide with each other passing on energy. One example of a mechanical wave is sound.

Explain why light can travel with or without a medium?
  • We know that light doesn't need a medium through which to travel because the speed of light is experimentally constant: independent of the movement of the source or detector or the direction in which it travels. Light contrasts with sound, which travels through the air (or some other material medium).
Does light travel in waves?

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.

How do light waves travel?

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...

What waves does light travel?

Light travels as waves. Light waves don't always need particles to travel through. They can also travel through outer space or a vacuum. Light waves travel in straight lines.

Where do light waves travel?

Light travels as waves. Light waves don't always need particles to travel through. They can also travel through outer space or a vacuum. Light waves travel in straight lines.

Can light travel through any medium?

It also behaves as both a wave and a particle, able to propagate through mediums (like air and water) as well as space. It has no mass, but can still be absorbed, reflected, or refracted if it comes in contact with a medium.

Through which medium light travel fastest?

Simply so, in which of the given medium light travels more fast Why? Answer: The light travels fastest in Ice. Explanation: Refractive index is defined as the ratio of speed of light in vacuum to the speed of light in the medium. More the refractive index, less will be the speed and the light will travel slower and vice-versa.

Do transverse waves travel faster in denser medium?

As waves travel into the denser medium, they slow down and wavelength decreases. Part of the wave travels faster for longer causing the wave to turn. The wave is slower but the wavelength is shorter meaning frequency remains the same.

Does all waves need a medium to travel?

Do all waves require a medium to travel? Explain. No, electromagnetic waves do not require any medium to propagate. No, mechanical waves do not require any medium to propagate.

How do sound waves travel through a medium?
  • Sound waves need to travel through a medium such as solids, liquids and gases. The sound waves move through each of these mediums by vibrating the molecules in the matter. The molecules in solids are packed very tightly.
In which medium do sound waves travel faster?
  • Sound travels faster through solids (that are elastic) than liquid or air. How does temperature affect sound? Sound travels faster through mediums with higher temperatures than at lower ones. Sound travels faster through hot air than cold air.