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Question
Sinusoidal waves travel on five identical strings. Four of the strings have the same tension, but the fifth has a different tension. Use the mathematical forms of the waves, gives below, to identify the string with the different tension. In the expressions given below xand yare in centimeters and tis in seconds.
A) y(x,t) = (2 cm) sin (2x- 4t)
B) y(x,t) = (2 cm) sin (4x- 10t)
C) y(x,t) = (2 cm) sin (6x- 12t)
D) y(x,t) = (2 cm) sin (8x- 16t)
E) y(x,t) = (2 cm) sin (10x- 20t)
Answer
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