The discussion revolves around the search for and recommendations regarding equipment for a polarization filter rotator dial. Participants explore options for purchasing or creating a suitable apparatus for rotating polarization filter sheets and measuring the angle of rotation, with a focus on affordability and practicality.
Participants express differing views on the necessity of high-quality equipment versus the feasibility of using cheaper alternatives. There is no consensus on the best approach to obtaining or constructing the desired apparatus.
Participants mention varying levels of accuracy and specifications needed for the apparatus, but these details remain unresolved. The discussion reflects a range of opinions on the value of cost versus quality in experimental setups.
Dr Transport said:
You could always make your own mount with a cheap camera polarising filter (linear not circular option) and use a circular, school type, plastic protractor. If you are into DIY you can use plastic PVC plumbing tubing. There is a wide selection of fittings that would allow the tube to be mounted on a board or a laboratory clamp stand. That sort of arrangement would cost the sort of money you're talking about and could give very adequate results with angle measurement accuracy of down to 1 degree, depending on how firm your arrangement is.tryingtolearn1 said:
.sophiecentaur said:
You can do many elementary experiments in Physics without "quality" equipment. School physics exists on what can be snobbishly called rubbish. It can be a terrible waste of money to go for 'the best' if you don't plan to make a lifetime study of a topic.Dr Transport said: