The question is: A long string is constructed by joining the ends of two shorter

Question

The question is:

A long string is constructed by joining the ends of two shorter strings. The tension in the strings is the same but string II has 4 times the linear mass density of string I. When a sinusoidal wave passes from string I to string II:

A. the frequency decreases by a factor of 2

B. the wavelength decreases by a factor of 4

C. the wavelength decreases by a factor of 2

D. the frequency decreases by a factor of 4

E. the wavelength increases by a factor of 2

If string I had four times the mass density of string II the answer would be C.

Since it is the opposite, would the answer to this question be E.?

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Explanation / Answer

C. the wavelength decreases by a factor of 2

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