Two Strings Are Made of the Same Material

question 7

Multiple Choice

Two strings are made of the same material. String 1 has radius r₁ while string 2 has radius r₂ = r₁/2. When stretched by the same tension, the respective speed of propagation of waves v₁ and v₂ satisfy the condition

• A) v₁ = v₂.
• B) v₁ = 2v₂.
• C) v₁ = v₂/ .
• D) v₁ = v₂/2.
• E) v₁ = v₂/4.

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