1.

A light bulb shines light along the x axis and through two parallel ideal polarizing filters one with a fixed polarizing axis and the otherwith an axis that rotates about the x axis and the yz plane . Looking toward the light bulb through the combined filtering system you see

Answer»

A bulb almost disappearing twice per revolution and reaching a maximum intensity twice per revolution . The maximum brightness is not as bright as looking at an UNFILTERED bulb
As in (a) but once per revolution
As in (a) but with a maximum brightness as bright as an unfiltered bulb
As in (a) but with a bulb that DISAPPEARS COMPLETELY

ANSWER :A


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