Date: Tue, 20 Mar 2012 08:27:19
Subject: Re: Wessin (Wesson) Oil and Pyrex Glass
List looks useful, BUT...What is the meaning of index of refraction of
metals? Is this for some ultra-high frequency, such as x-rays?
Quoting Erich Burton :
> Here's one list of refractive indices of various items:
> I've used glycerine and pyrex -- they are pretty close.
> If you can find a small pyrex beaker without markings, and
> submerge it completely inside a larger beaker of glycerine,
> it's very difficult to see, even if you look at it up close and
> you know it's there. It makes for a dramatic reveal to pull
> it out in front of a class.
> Anthony Lapinski wrote:
>> I would bet that some/most oils would do the job. I have not tested all
>> the oils on the market, and have only used Wesson oil for this demo. Would
>> be interesting to know the exact refractive indexes of various oils.
> Erich Burton 3-2602 email@example.com
> Boston University Physics Department