Sinusoidal Waves Travel on Five Identical Strings

question 42

Multiple Choice

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 x and y are in centimeters and t is 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)

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