The colours seen in the thin films of oil on the road and in soap bubbles are due to
A
reflection
B
interference
C
diffraction
D
polarization
Verified Correct Answer: B.
Physical Principles & Numerical Solution
A simple form of interference pattern is obtained if two plane waves of the same frequency intersect at an angle. Interference is essentially an energy redistribution process.
Source: Myschool Past Questions Archive (Record #27703)