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Regions of air that have few particles are known as low-air-density areas. These regions can be found at high altitudes in the atmosphere, such as the stratosphere or thermosphere, where air particles are more widely spaced apart due to lower pressure. These areas are also associated with cleaner air quality and less pollution due to fewer particles being present.
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What is a region of air with relatively few particles?
A region of air with relatively few particles is known as a low-pressure system or a partial vacuum. These regions can occur naturally, such as at high altitudes in the atmosphere, or they can be created artificially, such as in a vacuum chamber.
Where in a sound wave are the air particles bunched together closet?
The air particles are closest together at the compression regions of a sound wave. This is where the air pressure is at its highest, causing the particles to be more tightly packed.
What particles in air spread farther apart after the compression of the wave passes by it is called?
The particles that spread farther apart after the compression of a wave passing through air are called rarefactions. These regions of lower particle density are a result of the alternating compression and expansion of air particles as the wave travels through the medium.
What is the movement of particles from regions of lower density to regions of higher density?
The movement so described is called diffusion. When particles of regions of higher density move to regions of lower density, they are said to diffuse.
How far do alpha particles travel?
Alpha particles have a range of a few centimeters in air and are stopped by a sheet of paper or human skin. Their penetration range in tissue is limited to a few cells.
What is a region of air with relatively few particles?
A region of air with relatively few particles is known as a low-pressure system or a partial vacuum. These regions can occur naturally, such as at high altitudes in the atmosphere, or they can be created artificially, such as in a vacuum chamber.
Where in a sound wave are the air particles bunched together closet?
The air particles are closest together at the compression regions of a sound wave. This is where the air pressure is at its highest, causing the particles to be more tightly packed.
What is the range of beta particles in air as compare to alpha particles?
What is the range of beta particles in air as compare to alpha particles?Read more: What_is_the_range_of_beta_particles_in_air_as_compare_to_alpha_particles
What is air with few particles called?
a partial vacuum
How far can alpha particles travel through air?
Just a few inches.
What particles in air spread farther apart after the compression of the wave passes by it is called?
The particles that spread farther apart after the compression of a wave passing through air are called rarefactions. These regions of lower particle density are a result of the alternating compression and expansion of air particles as the wave travels through the medium.
What is the range of beta particles in the air?
The range of beta particles in the air is up to several hundred feet. Beta particles are emitted by specific types of radioactive nuclei. Potassium-40 is a type of radioactive nuclei that emits beta particles.
What is the movement of particles from regions of lower density to regions of higher density?
The movement so described is called diffusion. When particles of regions of higher density move to regions of lower density, they are said to diffuse.
How far do alpha particles travel?
Alpha particles have a range of a few centimeters in air and are stopped by a sheet of paper or human skin. Their penetration range in tissue is limited to a few cells.
What are the properties of sound in terms o fmovement in air particles?
Sound is a mechanical wave that travels through a medium, such as air, by causing particles to vibrate back and forth in the direction of the wave. The particles compress together to form regions of high pressure (compression) and spread apart to form regions of low pressure (rarefaction). The speed of sound in a medium depends on the medium's temperature, density, and elasticity.
How much air is needed to stop alpha?
Alpha particles can be stopped by a few centimeters of air. At normal atmospheric pressure, about 3-4 inches of air is sufficient to absorb alpha particles and reduce their energy to a harmless level.
How far does beta travel in air?
Beta particles can travel a few feet in air, but they can be stopped by a thin sheet of aluminum or plastic. The distance beta particles travel depends on their energy, with higher energy particles traveling farther.
