A student attaches a length of nylon fishing line to a fence post.She stretches

Question

A student attaches a length of nylon fishing line to a fence post.She stretches it out and shakes the end of the rope in her handback and forth to produce waves on the line. The most efficient wayfor her to increase the wavelength is to
increase thetension on the hose and shake the end more times persecond.
decrease thetension on the hose and shake the end more times persecond.
increase thetension on the hose and shake the end fewer times persecond.
decrease thetension on the hose and shake the end fewer times persecond.
keep the tensionand frequency the same but increase the length of thehose.

Explanation / Answer

Answer is decrease thetension on the hose and shake the end fewer times persecond Since wavelength is inversely proportional to squareroot of tension if frequency is small then wavelength is large

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