- #1
dragon2309
- 9
- 0
Hi everyone, we were looking at different ways of finding out the wavelength of a microwave in physics a few days back, and one of them was to soak a piece of paper in a solution and put it into a microwave iven, when this solution got hot/warm it changed colour to blue.
Does anyone know what the solution was called, cos i need to write this all up and that's the only thing that's stopping me, if its any help it was a kind of purple/red-ish colour to start with...
Cheers, dave
Does anyone know what the solution was called, cos i need to write this all up and that's the only thing that's stopping me, if its any help it was a kind of purple/red-ish colour to start with...
Cheers, dave