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What is the density of water Why doesn't air bubble rise to the surface of a glass of water?
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Why does an air bubble rise to the surface of a glass water?
The deeper you go under water the higher the pressure due to the weight of water above. Therefore the pressure of the water at the level of the bottom of the bubble is higher than the pressure at the level of the top of the bubble. The unbalanced force forces the bubble up. In all mixtures of (non-reacting) fluids and gases, the higher the density of a component, the lower it lies. Anything that has a density less than 1g/cm cubed (water density) floats but if it has a higher density than water then it sinks.
What is density of laminated glass?
density of laminated glass
Why is it so hard to push a glass under water?
The Glass is so hard to push underwater because air has less density than water, so it floats. This causes the glass to have an air bubble inside of it, thus making the glass harder and harder to push down.
What happens to the light that doesnt go through glass?
When light hits glass: -- some of it bounces off the glass surface and goes back away from the glass (reflection) -- some of it is absorbed into the glass and never heard from again (absorption) -- some of it goes through the glass and comes out the other side (transmission).
Why does a glass tumbler crack when you suddenly pour hot tea into it?
When we pour very hot water into an empty glass, the inner surface of the glass will expand as matter expands when heated. But the inner surface of the glass will expand more than the outer surface of the glass because more heat is applied to the inner surface of the glass.
Why air bubble in a glass slab have silvery look?
refractive index of glass is higher than refractive index of glass slab OR density of air is less than density of glass
Why does an air bubble rise to the surface of a glass water?
The deeper you go under water the higher the pressure due to the weight of water above. Therefore the pressure of the water at the level of the bottom of the bubble is higher than the pressure at the level of the top of the bubble. The unbalanced force forces the bubble up. In all mixtures of (non-reacting) fluids and gases, the higher the density of a component, the lower it lies. Anything that has a density less than 1g/cm cubed (water density) floats but if it has a higher density than water then it sinks.
What exactly is the product called bubble glass?
A bubble glass is a glass that is made in the Ryukyu Islands. The bubble glass is formed from a small piece of molten glass, which is then cooled and shaped into a glass container.
How do you know if it's a water bubble?
My thought is that if it expands when rising to the surface, expands when the water is heated, or clings to another solid surface in water (such as the glass wall or a straw) and coalesces with others, it is probably a water bubble. ===============================
Does the density of the air in a bubble change as a bubble rises in water?
The density of air decreases as the bubble rises, since the bubble can increase in size as it rises. A scuba diver needs to release air from her lungs when rising from a depth for this reason. The density of air inside a Japanese fishing net float (a hollow glass sphere) would not change substantially. Changing its temperature would not change the density, only the pressure, since the same number of molecules are involved.
How do you read a carpenters level?
Easy -- hold it at the surface that you want to be level. If the bubble in the glass tube stays in the center where the line is, the surface is level. If not, keep adjusting your work until the bubble stays in the middle. When there are 2 glass tubes and the bubble is not in the same place in both what does that mean? You may have to adjust the work in more than one plane, for example front to back and side to side.
What is density of laminated glass?
density of laminated glass
Why do we see rainbow in bubble of soap?
Simply because of light refraction. White light striking the surface of the bubble is split into its constituent shades - much the same as when you shine a light thought a glass prism.
Why is it so hard to push a glass under water?
The Glass is so hard to push underwater because air has less density than water, so it floats. This causes the glass to have an air bubble inside of it, thus making the glass harder and harder to push down.
Why can a sewing needle can float on the surface water in a glass?
Yes if the surface tension of the water is not broken. If you are careful you can place a needle on the surface of the water in a glass. Also if you reduce the surface tension with detergent (just a very little is enough) the needle will sink because it's density is greater than that of the water. NO (if the surface tension of the water is broken, a needle cannot float on the surface of water. This is because the needle has higher density than water (density is mass divided by volume).
Is glass made of sand and then is the sand melted and while cooling the sand you shape it and glass will form?
Yes, glass is made by melting glass and then blowing it into a bubble with a long tube. After the bubble dries. It is glass.
How do you check the level of a machine with a spirit level?
Put the spirit level on a flat surface, check that the bubble is in the middle of the little glass vial. If it is, the machine is level.
