28 Monochromatic red light is shone from above on two soap

Last updated: 6/14/2023

28 Monochromatic red light is shone from above on two soap films A and B as shown below An observer at position X observes that film A appears uniformly red while film B has alternate equally spaced red and black bands K UOBJ 10 4 Soap Film A Soap Film B Which statement best explains these observations A Film A has a thickness of 4 and film B has a thickness of 2 A Film A has a thickness of 2 and film B has a thickness of 4 a b Observer Y C 7 N A A A P N Film A has a thickness much less than and film B has a thickness of 2 d Film A has a constant thickness and film B has a variable thickness blo thinkness and film B has a constant thickness T1