This question needs to be rewritten, it is not clear.
Possible answer: reflection.
Those that do enter the block, will be refracted, if the glass does not have the same index of refraction as the substance around it.
When you shine light through a glass block, it is called refraction. Refraction is the bending of light as it passes from one medium, such as air, into another medium with a different optical density, such as glass.
The block of glass is likely a prism. When white light passes through a prism, it is refracted (bent) at different angles based on its wavelength, causing it to separate into its component colors, creating a rainbow effect. This phenomena is known as dispersion.
When light is shined at a glass block, some of the light is transmitted through the block, some is reflected, and some is absorbed. The transmitted light changes its direction due to refraction as it passes through the glass block.
UV light does not pass through glass because the molecules in glass absorb and block the UV radiation, preventing it from passing through.
When light passes through a glass block, it undergoes refraction, which is the bending of light as it enters the glass and again as it exits. The speed of light changes as it moves from air to glass, causing the light rays to change direction.
If light rays do not enter a glass block, they will continue to travel in their original direction. The glass block will have no effect on the path of the light rays unless they actually enter the 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.
When a ray of light is shone at a glass block, it will refract (bend) as it enters the glass due to the change in the speed of light in the material. The light will then travel through the glass block, possibly reflecting off the surfaces inside, and refract again as it exits the block.
when a parallel beam hit the rectangular glass it will gave a refraction.
put glass over block (I would do pen size 9) then put ball in glass
Yes, UV light can pass through window glass, but it depends on the type of glass. Regular window glass can block most UVB rays but may allow UVA rays to pass through. To fully block UV light, specialized glass or coatings may be needed.
The refractive index of a rectangular glass block depends on the type of glass used. However, common values for the refractive index of glass are around 1.5 to 1.7. This value indicates how much light is bent or refracted as it passes through the glass block.