The diagram above illustrates a mode of vibration of...
The diagram above illustrates a mode of vibration of a wire of length 125 cm. The speed of the waves along the wire is 120 ms-1. Use the diagram to answer questions 2 and 3.
A.
1.00m
B.
0.75m
C.
0.25m
D.
0.50m
Correct answer is D
Number of cycles, n = 212=52
Length = nλ
λ = Lengthn = 12552
Therefore, λ = 50cm = 0.50m.
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