i changed the index from air to water to see the affects, yes i did byt it between the curved surface and the plane surface.
The lense i am using is a planeo-convex lens and i have my glass slide at 45 degrees my lamp is also a sodium!
this is a picture of my set up
Hi
I am currently looking at Newtons Rings, i have changed my refractive index to water (distilled), i have found the rings and they seem to be as aspected except they are extremely faint barely readable infact would anyone know a cause or soulation to this?
hi
I am having trouble trying to find what i potential to the voltage of a rs 256-225 flow meter. Has anyone got an idea to put me on the right track all i need is the push in the right direction.
Thanks