Q. Which is a correct way to measure wavelength?
A) Nearest peak to nearest trough
B) Nearest peak to peak
C) None of the above
D) Nearest trough to peak
✔ Correct Answer: Nearest peak to peak
Exam Insight
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A) Nearest peak to nearest trough
B) Nearest peak to peak
C) None of the above
D) Nearest trough to peak
✔ Correct Answer: Nearest peak to peak
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