A. Diffusion
B. Brownian motion
C. Diffraction
D. Crystal structure
E. Photoelectricity

Correct Answer:

Option C – Diffraction

SEE ALSO  A car moving at 20m/s with its horn blowing (f = 1200Hz) is chasing another car going at 15m/s. What is the apparent frequency of the horn as heard by the driver being chased?

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