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A) 5 cm
B) 7 cm
C) 10 cm
D) 14 cm
Correct Answer: B
Solution :
Amplitude is the physical characteristic of a wave. It is given by the maximum rise or fall of a point on the string. Since the string rises to a maximum height of\[\frac{14\,cm}{2}=7cm\]from the equilibrium position (as shown in the given figure), it can be concluded that the amplitude of the wave is 7 cm.
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