colour is defined by the reflection of light off a surface. So glass can be said to have no colour as light does not reflect off of it
Glass color is added during the manufacturing process by incorporating metal oxides or other colorants into the molten glass mixture. Different metal oxides create different colors in the glass, with cobalt oxide producing blue, chromium oxide creating green, and manganese oxide yielding purple, for example. The amount and type of colorant used will determine the final hue of the glass.
The color of light that travels through glass with the minimum speed is violet. This is because the speed of light in any medium, including glass, is dependent on the medium's refractive index, with shorter wavelengths like violet experiencing a slower speed.
The sunlight hits the glass of water and then the light disperses out as a spectrum of colour (rainbow). This is because sunlight is white light and white light contains the 7 colours of the rainbow. When it hits the glass the colours refract and disperse out as the spectrum of colours, which we see as a rainbow.
When light passes through a colored transparent material, certain wavelengths of light are absorbed by the material while others are transmitted. The transmitted light has a different color because it is missing the wavelengths that were absorbed by the material. This causes the light to appear as a different color when it exits the material.
The glass is called a prism. When white light enters a prism, it is refracted and separated into its component colors due to the differing wavelengths of each color of light. This effect is known as dispersion.
Yes all glass can be recycled. The colour of the glass is of a consideration in its ultimate reuse. Clear glass generally segregated from all coloured glass and recycled into clear glass products. Coloured glasses may be accumulated for specific colour uses. Mixed glass will be reused for "brownish" glass uses or for processing into materials such as Fiberglas insulation where colour does not matter.
Glass can be made into an colour by adding the appropriate materials into it.
clear
Cobalt
red
purple
grey
metallic oxides such as those of copper, cobalt, etc are used to color glass.
you mean ornamental glass made in Bohemia in the late 19th Century - the glass has a striated overlay of glass filaments in a different colour
It is used to see the experiment which colour is formed.
copper sulphate
Green colors in glass came from iron. There is a link below.