When an electromagnetic wave bends around the edges of an opening instead of jus

ID: 2039424 • Letter: W

Question

When an electromagnetic wave bends around the edges of an opening instead of just keeping its original straight path, it is because

A. every point of the wave at the opening generates smaller amplitude waves that interfere.

B. the index of refraction of the opening differs from that of the preceding medium.

C. most of the electromagnetic energy gets reflected back by the opening.

D. there is a destructive interference for the energy that keeps going straight.

E. every other point of the wave at the opening experiences constructive interference.

Part E) every poin of on the slit is in same phase and all acts as a new point source oscllating in same phase.hence they create interference at slit

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