From: BURT on 20 Jul 2010 16:18 On Jul 20, 9:08 am, Sanny <softtank...(a)hotmail.com> wrote: > We see glass is transparent. > > When light touches a surface it gets absorbed and reflected. > > But in case of glass the light goes inside it and comes out from other > end. > > Earlier I made a guess the number of molecules in glass blocking the > light will be less. > > But then I found some 1 feet thick glass are transparent. > > While even a 1mm thick aluminium plate do not allow to pass the light. > > So number of molecules stopping light do not effect whether a > substance is transparent or not. > > I think its the arrangment of molecules that descide wether the > substance is transparent or not. > > Does Glass molecule acts like a spring? and Just like a Spring allows > waves to travel through it. Glass allows light wave to pass. > > What type of arrangment of molecules lead to transparency? > > Bye > Sanny > > Chat with Physics Professor:http://www.getclub.com/chat_with/?key=Physics We also know when light is in the atom the electric field of the atom slows light down. Mitch Raemsch
From: Raymond Yohros on 20 Jul 2010 16:19 On Jul 20, 2:50 pm, waldofj <wald...(a)verizon.net> wrote: > > by the way, H2O is the best industrial > > transparency molecule i know. > > not even close. Think fiber optics > yes, i meant a reflective transparency medium. r.y
From: bert on 23 Jul 2010 17:46 On Jul 20, 12:08 pm, Sanny <softtank...(a)hotmail.com> wrote: > We see glass is transparent. > > When light touches a surface it gets absorbed and reflected. > > But in case of glass the light goes inside it and comes out from other > end. > > Earlier I made a guess the number of molecules in glass blocking the > light will be less. > > But then I found some 1 feet thick glass are transparent. > > While even a 1mm thick aluminium plate do not allow to pass the light. > > So number of molecules stopping light do not effect whether a > substance is transparent or not. > > I think its the arrangment of molecules that descide wether the > substance is transparent or not. > > Does Glass molecule acts like a spring? and Just like a Spring allows > waves to travel through it. Glass allows light wave to pass. > > What type of arrangment of molecules lead to transparency? > > Bye > Sanny > > Chat with Physics Professor:http://www.getclub.com/chat_with/?key=Physics Glass is not 100% transparent. If it was it would be invisable Reason it has some reflection.(glare) Want to get rid of glarry glass but a thin film of oil on its surface.(oily soap) A very clever lady Ms Day told me this TreBert
From: Brad Guth on 23 Jul 2010 18:32 On Jul 23, 2:46 pm, bert <herbertglazie...(a)msn.com> wrote: > On Jul 20, 12:08 pm, Sanny <softtank...(a)hotmail.com> wrote: > > > > > We see glass is transparent. > > > When light touches a surface it gets absorbed and reflected. > > > But in case of glass the light goes inside it and comes out from other > > end. > > > Earlier I made a guess the number of molecules in glass blocking the > > light will be less. > > > But then I found some 1 feet thick glass are transparent. > > > While even a 1mm thick aluminium plate do not allow to pass the light. > > > So number of molecules stopping light do not effect whether a > > substance is transparent or not. > > > I think its the arrangment of molecules that descide wether the > > substance is transparent or not. > > > Does Glass molecule acts like a spring? and Just like a Spring allows > > waves to travel through it. Glass allows light wave to pass. > > > What type of arrangment of molecules lead to transparency? > > > Bye > > Sanny > > > Chat with Physics Professor:http://www.getclub.com/chat_with/?key=Physics > > Glass is not 100% transparent. If it was it would be invisable Reason > it has some reflection.(glare) Want to get rid of glarry glass but a > thin film of oil on its surface.(oily soap) A very clever lady Ms Day > told me this TreBert ZBLAND glass seems best, offering as good as .01 DB loss per km. http://en.wikipedia.org/wiki/File:Zblan_transmit.jpg Too bad photons are so slow, and a whole lot slower yet within glass. ~ BG
From: Brad Guth on 23 Jul 2010 18:33
On Jul 23, 2:46 pm, bert <herbertglazie...(a)msn.com> wrote: > On Jul 20, 12:08 pm, Sanny <softtank...(a)hotmail.com> wrote: > > > > > We see glass is transparent. > > > When light touches a surface it gets absorbed and reflected. > > > But in case of glass the light goes inside it and comes out from other > > end. > > > Earlier I made a guess the number of molecules in glass blocking the > > light will be less. > > > But then I found some 1 feet thick glass are transparent. > > > While even a 1mm thick aluminium plate do not allow to pass the light. > > > So number of molecules stopping light do not effect whether a > > substance is transparent or not. > > > I think its the arrangment of molecules that descide wether the > > substance is transparent or not. > > > Does Glass molecule acts like a spring? and Just like a Spring allows > > waves to travel through it. Glass allows light wave to pass. > > > What type of arrangment of molecules lead to transparency? > > > Bye > > Sanny > > > Chat with Physics Professor:http://www.getclub.com/chat_with/?key=Physics > > Glass is not 100% transparent. If it was it would be invisable Reason > it has some reflection.(glare) Want to get rid of glarry glass but a > thin film of oil on its surface.(oily soap) A very clever lady Ms Day > told me this TreBert ZBLAN glass seems best, offering as good as .01 DB loss per km. http://en.wikipedia.org/wiki/File:Zblan_transmit.jpg Too bad photons are always so slow, and a whole lot slower yet within glass. ~ BG |