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A) 5 cm
B) 6 cm
C) 10 cm
D) 12 cm
Correct Answer: C
Solution :
The distance between two consecutive crests or troughs is known as the wavelength of a wave. In the given figure, the maximum width of a crest is 5 cm. The maximum width of a crest represents half of the wavelength of a wave. Therefore, the wavelength of the given wave is (2 × 5 =) 10 cm. The correct answer is C.
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