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A laser beam consists of light rays (or photons) all going in one direction. If the beam is not pointed toward your eye, none of the light in the beam will go into your eye so you will not be able to see the path of the beam, although you may be able to see where it strikes a solid, diffusely reflecting object.
If there are particles in the path of the laser beam, some of the light in the beam will reflect off the particles and be deflected away from the direction of the bean. Some of that deflected light will reach your eye and it will seem as if you are seeing the laser beam.
Wiki User
∙ 12y ago
Wiki User
∙ 12y agothey are very very very small like atoms and neutrons.
Here is another example: Imagine an air molecule bigger than you that is about 55000 times the size of mount Everest (becuz you are imagining you shrunk) then take a rubber ball (or an atom in this case) and then cut the rubber ball in half. then take one of the rubber fibers and you have an electron. In other words, they are very very very very small.
Wiki User
∙ 9y agoBecause the "particles" are individual molecules. If they were larger than molecules then it would not be a solution, it would be a suspension. You still often will not see particles in a suspension as they are very small, but then the suspension is cloudy as the tiny particles scatter light.
Wiki User
∙ 15y agoWhy you ask well its really quite simple you know germs they exist but there too smal to see so are particles
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What is a homogeneous mixture in which particles are so small that they cannot be seen without a microscope?
Solution
What is a suspension solution in chemistry?
solution are of three types.true,colloidal and suspension.suspension solution is the solution which does not allow light to pass through.does not scatter light. 'in this solution the particles are not completely dissolved and they can be seen through our naked eye'.they have undissolved small particles.example:chalk powder in water
How is a colloid distinguished from a solution or a suspension?
Solution: one phase system (solute or solutes in a solution) Colloid: two phases system, very stable dispersion in a dispersion medium, particles in the range 5-200 nm Suspension: two phases (or more) system, unstable, particles above 200 nm A colloid is distinguished from a solution and a suspension by the particles, because they usually have an electric charge, and they repel each other, so they do not collect into larger perticles that would settle out like those in solutions, and suspensions.
Is a solution a mixture explain example?
A solution is when two liquids are combined in such as way that they cannot be separated. An example of this would be when liquid chocolate syrup is put into a glass of milk and stirred. The two cannot be separated again. When people say mixture, they do not necessarily mean a solution. They can mean a suspension. This means a solid is reduced to tiny particles that cannot be seen. They are floating in the liquid. One example of a suspension is when you put glitter in a glass of water and shake it. The glitter and water are a mixture, but if you allow it to sit, the glitter will fall out.
What is it called when a solution has a lesser concentration of particles?
A solution which has a lesser concentration of particles is said to be dilute.
Are the particles in a suspension larger than the particles of a solution but are yet to small to be easily seen?
Particles in a suspension are larger than the particles of a solution, but they are not always so small that they cannot be easily seen with the eye.
What is a homogeneous mixtures of particles so small they cannot be seen and will not settle to the bottom of their container?
a solution
Is a homogeneous mixture of particles so small they cannot be seen and will not settle to the bottom of their container?
a solution
What is a homogeneous mixture in which particles are so small that they cannot be seen without a microscope?
Solution
What is the Definition of phase of true solution?
the solute particles which cannot be seen through naked eye or not even through microscopes in the solution is called a true solution
When solid is dissolved in a liquid?
When a solid is dissolved in a liquid, the liquid is said to be the solvent and the solid is to be the solute. The liquid that you get after dissolving the solid into the liquid is called the solution. When a solute dissolves, the solvent particles attract the particles of the solute away which breaks the cluster of particles apart. After dissolving enough amount that the solvent cannot dissolve more, the solution is said to be saturated. It is the state when the solution cannot dissolve anymore solute. The opposite of solution is suspension. A suspension is when the solute cannot be dissolved (that is, it is insoluble) into the solvent and stays suspended in the solvent. A suspension is translucent and the suspended particles can be easily seen. While, in a solution, the particles are soluble and complete dissolve into the solvent. A solution is transparent and the particles are too small to be seen through naked eyes.
How is a suspension different from a solution?
The particles are bigger in a suspension, and the solute is not dissolved in the solvent but is dissolved in a solution suspension example- sand in water, sand is the solute and water is the solvent solution example- sugar in water, sugar is the solute and water is the solvent
Why does solution only have one phase?
it has no more particles that can be seen
Homogeneous mixture of particles so small they cannot be seen and will never settle?
It is actually called colloid.
In a suspension particles cannot be seen through a microscope?
this is false
What movement of the smoke particles tells about movement of air particles that cannot be seen?
Brownian Motion
When the particles of a mixture are evenly mixed and can't be seen - what is this mixture called?
It is called a solution.
