light travelling in air is incident on a soap bubble. If the path difference through the soap bubble is 2.5λ:
a) constructive interference will occur
b) destructive interference will occur
c) partial interference will occur
d) none of the above

Question

light travelling in air is incident on a soap bubble. If the path difference through the soap bubble is 2.5λ:
a) constructive interference will occur
b) destructive interference will occur
c) partial interference will occur
d) none of the above

anonymous · Answer

try to think what kind of interference will have two sin functions if they are shifted by this amount.

anonymous · Answer

were*

anonymous · Answer

Ok so would constructive interference occur?