Waves on a Slinky


 
 
Concept Explanation
 

Waves on a Slinky

Waves on a Slinky:

The waves which travel along a spring when it is pushed and pulled at one end, are the longitudinal waves. ‘When coils are closer together than normal, compressions (C) are observed in spring. When coils are farther apart than normal, rarefactions (R) are observed. A long flexible spring which can be compressed or extended easily is called slinky.

Sample Questions
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Question : 1

When coils are farther apart than normal, __________________________ are observed.

Right Option : B
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Question : 2
A mechanical wave is propagating in a material medium. The graph shown demonstrates the displacement curve of the wave at any time t. What is the amplitude ?

A mechanical wave is propagating in a material medium. The graph shown demonstrates the displacement curve of the wave at any time t.

                   Image required page no 72 Question no 20 book no 572 

 

Right Option : D
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Explanation
Question : 3
What is the amplitude of this wave ?
Right Option : B
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Explanation
 
 


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