Two Identical Strings Have the Same Length and Same Mass $f _ { \mathrm { nb } } = \frac { 1 } { 4 } f _ { \mathrm { nA } }$

question 10

Multiple Choice

Two identical strings have the same length and same mass per unit length.String B is stretched with four times as great a tension as that applied to string A.Which statement is correct for all n harmonics on the two strings,n = 1,2,3...?

• A) \(f _ { \mathrm { nb } } = \frac { 1 } { 4 } f _ { \mathrm { nA } }\) .
• B) \(f _ { \mathrm { nb } } = \frac { 1 } { 2 } f _ { \mathrm { nA } }\) .
• C) \(f _ { n , B } = \sqrt { 2 } f _ { n , A }\) .
• D)f_n,B = 2f_n,A.
• E)f_n,B = 4f_n,A.

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