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What happens if you continue to rub a glass surface?
Continuing to rub a glass surface can create static electricity, leading to the accumulation of charge on the surface. This can result in attracting dust and small particles to the surface, giving it a dusty appearance.
What happens when a ray of light hit glass?
When a ray of light hits glass, it can be reflected, refracted, or absorbed. Reflection happens when the light bounces off the surface of the glass, while refraction occurs when the light enters the glass and changes direction due to the change in speed between air and glass. Some of the light energy may also be absorbed by the glass material.
What liquid is not wet?
The "wetting" that happens when an object is immersed in a liquid depends on the surface energy of the object and the capilary forces in action on the surface of the liquid. for example mercury will not "wet" glass but water can wet the same glass.
What happens to light which does not go into the glass block?
Light that does not enter the glass block will either continue traveling through the air or be reflected off the surface of the glass block. The reflected light may create a reflection or be absorbed by the surroundings.
How does condensation work on a glass surface?
Condensation on a glass surface occurs when warm, moist air comes into contact with the cooler surface of the glass. The air cools down upon contact with the glass, causing the water vapor in the air to condense into liquid water droplets on the surface of the glass.
What happens if you put a magnafying glass under the sun and there's a rainbow on the ground?
If you place a magnifying glass under the sun and there is a rainbow on the ground, the focused sunlight passing through the magnifying glass could potentially start a fire on the surface beneath where it is concentrated. The rainbow itself is caused by sunlight being refracted and reflected by water droplets in the air, and would not affect the magnifying glass's ability to concentrate the sun's rays.
The depth to which an inverted drinking glass must be pushed beneath the surface of water so that the volume of enclosed air is squeezed to half is?
The inverted drinking glass must be pushed to a depth where the water level inside the glass is halfway between the original water level and the top of the glass. This ensures that the volume of enclosed air is squeezed to half.
When you place a glass rod over a burning candle it gets black what change happens to the glass rod as the candle burns?
The blackening of the glass rod is due to the deposition of soot (carbon) from the candle flame onto the surface of the glass rod. This is a physical change where the soot particles adhere to the glass surface but do not chemically alter the glass itself.
What happens when light strikes as mooth and shiny colored glass?
When light strikes smooth and shiny colored glass, the light may be reflected, refracted, or absorbed. The smooth surface allows for specular reflection, where the light bounces off the surface at an angle equal to the angle of incidence. The color of the glass will determine which wavelengths of light are absorbed and which are reflected, giving the glass its specific color appearance.
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).
What happens to light when it strikes glass?
When light strikes glass, it may be reflected, transmitted through the glass, or absorbed by the material. The amount of light reflected or transmitted depends on the angle of incidence and the refractive index of the glass. Glass is transparent to visible light, which allows it to transmit light through its surface.
How can you make a glass surface to have a positive surface charge?
You can make a glass surface have a positive surface charge by rubbing it with a material that transfers electrons to the glass, such as a silk cloth or a piece of fur. This transfer of electrons can leave the glass with a net positive charge on its surface.
