Unlike water waves, electromagnetic waves always travel at the same speed (3 hundred million metres per second) and sound waves all travel at the same speed in a given medium (for example, approximately 340 metres per second in air).
Which type of electromagnetic waves travel the fastest?
Thus as Radio Waves consist of the longest wavelength hence they travel the fastest among all the electromagnetic waves.
How are electromagnetic waves and sound waves different?
Electromagnetic waves cause oscillations in electric and magnetic fields, so do not require a medium. Speed: Sound waves travel at about 300 m/s (but is dependent on the medium) , whereas Electromagnetic waves travel at the speed of light, i.e. around 300,000,000 m/s.
Which waves travel faster than sound waves?
Light doesn’t need a medium to travel. The speed of sound through air is about 340 meters per second. It’s faster through water and it’s even faster through steel. Light will travel through a vacuum at 300 million meters per second.
Which wave causes the most damage?
Seismic waves can be classified into two basic types: body waves which travel through the Earth and surface waves, which travel along the Earth’s surface. Those waves that are the most destructive are the surface waves which generally have the strongest vibration.
Which electromagnetic wave has the least speed?
How do you detect electromagnetic waves?
To detect the electric fields, use a conducting rod. The fields cause charges (generally electrons) to accelerate back and forth on the rod, creating a potential difference that oscillates at the frequency of the EM wave and with an amplitude proportional to the amplitude of the wave.
What type of waves are electromagnetic waves?
Electromagnetic Waves have different wavelengths.
Radio waves, television waves, and microwaves are all types of electromagnetic waves. They only differ from each other in wavelength. Wavelength is the distance between one wave crest to the next.
Are sound waves EM waves?
Electromagnetic waves are waves which can travel through the vacuum of outer space. … Sound waves are examples of mechanical waves while light waves are examples of electromagnetic waves. Electromagnetic waves are created by the vibration of an electric charge.
Who is faster sound or light?
The speed of sound through air is about 340 meters per second. It’s faster through water, and it’s even faster through steel. Light will travel through a vacuum at 300 million meters per second. … No information can propagate faster than the speed of light.
Can sound be faster than light?
Nothing can travel faster than light… except for sound. This is the claim of some US physicists, who say they have designed an unusual waveguide to make sound move at “superluminal” speeds (Appl. … Indeed, the group velocity of light has already been shown to travel faster than the speed of light in a vacuum.
Can anything travel faster than sound?
Yes, wind can travel faster than the speed of sound. Wind is just the bulk movement of a mass of air through space and is in principle no different from a train speeding along or a comet zipping through space.
Which wave is the fastest?
Which earthquake wave is more dangerous?
Although surface waves travel more slowly than S-waves, they can be much larger in amplitude and can be the most destructive type of seismic wave. There are two basic kinds of surface waves: Rayleigh waves, also called ground roll, travel as ripples similar to those on the surface of water.
Which type of body wave travels faster?
Body waves inside the earth. In P or compressional waves, the vibration of the rock is in the direction of propagation. P waves travel fastest and are the first to arrive from the earthquake. In S or shear waves, rock oscillates perpendicular to the direction of wave propagation.