In an interference pattern, the wavelength and frequency are
A. the same in both the regions of constructive interference and the regions of destructive interference.
B. greater in regions of constructive interference than in regions of destructive interference.
C. smaller in regions of constructive interference than in regions of destructive interference.
D. unchanged in regions of destructive interference but greater in regions of constructive interference.
E. unchanged in regions of destructive interference but smaller in regions of constructive interference.
Answer: A
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Fill in the blank(s) with the appropriate word(s).
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