A String of Length L Is Under Tension, and the Speed

question 78

Multiple Choice

A string of length L is under tension, and the speed of a wave in the string is v. What will be the speed of a wave in the string if the length is increased to 2L but with no change in the mass or tension?

• A) v/2
• B) v/ \(\sqrt { 2 }\)
• C) v \(\sqrt { 2 }\)
• D) 2v
• E) 4v

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