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Why does an electromagnetic wave in space never slow down?
In empty space, an electromagnetic wave can only travel at one speed - the speed of light.In empty space, an electromagnetic wave can only travel at one speed - the speed of light.In empty space, an electromagnetic wave can only travel at one speed - the speed of light.In empty space, an electromagnetic wave can only travel at one speed - the speed of light.
Can sound travel through black hole?
yes it can only if it is a supermasive one
Which one of these would allow sound to travel fastest Density of molecoles?
The speed of sound is proportional to the (square root) of the stiffness of the material divided by the density.
How fast can sound travel through aluminum?
Under "normal" conditions (room temperature and 1 bar of pressure) the speed of sound in aluminium is 6.42 km/s. Sound can potentially travel much faster through aluminium, but only if one pressurizes it a low.
What happens to the speed of sound waves as it travels from a less dense medium to a denser one?
The speed of sound is affected by a number of factors. It does not travel in a vacuum i.e. in the vacuum of space no one can hear you scream! - From the movie Alien. Sound requires a medium in which to travel. The speed of sound is determined by the density (ρ) and compressibility (K) of the medium. Normally the denser the material the slower sound will travel. A notable exception is water. Water is denser than air but is almost incompressible; therefore sounds travels faster through water than air.it can be affected by temperature.
How far does light travel in the time it takes sound to travel 1 cm in air at 20 C?
Based on the speed of sound being 340 m/s and that of light being 299,792,458 m/s. we get the speed of light being ~881,742 times that of sound. So if sound goes 1cm then light will travel 881,742 cm or 8,817.42 m.
What is necessary for sound to travel from one place to another?
Sound requires a medium through which it can travel, such as air, water, or solid materials. When an object vibrates, it causes the particles in the medium to vibrate, creating sound waves that travel through the medium. The speed of sound in a medium depends on its properties, such as density and elasticity.
How long does it take for sound to travel one inch?
The speed of sound varies according to the medium it is travelling in. In beryllium, for example, it can be 300 times faster than in rubber. In beryllium, sound will take just under 2 microseconds to travel an inch.
How do sound waves travel through different mediums and what factors influence their speed and intensity?
Sound waves travel through different mediums by causing particles in the medium to vibrate, transferring energy from one particle to the next. The speed and intensity of sound waves are influenced by the density and elasticity of the medium. In denser mediums, such as solids, sound waves travel faster and with greater intensity compared to less dense mediums like gases. Additionally, temperature and pressure can also affect the speed and intensity of sound waves in a medium.
Differences between light and sound waves?
The differences between light and sound are as follows:Light can be considered to be made of waves as well as particles. Sound is only a wave. It does not show particle nature.Light waves are electromagnetic waves while sound waves are mechanical waves.Light waves are transverse while sound waves are longitudinal.Light waves can travel in vacuum. Sound waves require a material medium to travel, and hence, cannot travel in vacuum.The speed of light in a medium is constant. The velocity of sound waves can change.In sound waves, the particles of the medium actually oscillate. In a light wave, the electric and magnetic vectors oscillate.Light waves can be polarized, but sound waves cannot.Light waves travel much faster than sound waves. The speed of light is a physical constant. Its value is exactly 299,792,458 metres per second in vacuuum. The speed of sound is 343 metres per second in dry air at 20°C.And finally, a simple one - you can see light while you can hear sound.
If a tree falls and no one is around to hear it does it make sound partiles that travel at high speed causing the sound to vibrate in your ear?
Yeah, but I wouldn't say high speed. It depends on the size and weight of the tree in order to travel quickly. Also, you must be in the radius of where the tree falls.
What travels faster the speed of light or the speed of sound?
The speed of light is nearly a million times faster than the speed of sound.The speed of light is roughly 882 thousand times the speed of sound.-- Sound takes about 4.7 seconds to cover 1 mile.-- Light takes about 0.0000054 second to cover 1 mile.-- In the time it takes sound to travel one mile, light travels 881,741 miles .
