We want to rotate the direction of polarization of a beam of polarized light through 90 degrees by sending the beam through one or more polarizing sheets. (a) What is the mini-mum number of sheets required? (b) What is the minimum number of sheets required if the transmitted intensity is to be more than 60% of the original intensity?

Question

anonymous · Answer

https://www.google.lt/url?url=http://en.wikipedia.org/wiki/Polarization_(waves)%23In_nature_and_photography&rct=j&q=polarization+in+nature+and+photography&usg=AFQjCNHpPe1nKiGBHvFDGuhKRw9oZb1ZJA&sa=X&ei=Sc7UULS9HKaN4gT9woD4Cg&ved=0CD4QygQwAA&cad=rja Try to read this part, i guess there is a hint for you.

anonymous · Answer

It didn't work.