Question: A long string is constructed by joining the ends of two shorter strings. The tension in the strings is the same but string I has

A long string is constructed by joining the ends of two shorter strings. The tension in the strings is the same but string I has 4 times the linear mass density of string II. When a sinusoidal wave passes from string I to string II: O the frequency decreases by a factor of 4 the frequency decreases by a factor of 2 O the wave speed decreases by a factor of 4 the wave speed decreases by a factor of 2 the wave speed increases by a factor of 2

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