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Question
On stretching a slinky, the regions where the coils become closer are called _____ and the regions where coils are further apart are called ____.
On stretching a slinky, the regions where the coils become closer are called _____ and the regions where coils are further apart are called ____.
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Solution
The correct option is B Compression, Rarefaction
Compressions are the area of higher density or larger number of turns per unit length are present in these regions compared to other regions. The portions which are pulled apart have fewer turns per unit length than the normal spring are called rarefactions.
Compressions are the area of higher density or larger number of turns per unit length are present in these regions compared to other regions. The portions which are pulled apart have fewer turns per unit length than the normal spring are called rarefactions.
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