To decrease the fundamental frequency of streched string at both ends fix one might

  • Option 1)

    Increase Tesion

  • Option 2)

    Increase Wave velocity

  • Option 3)

    Increase Length

  • Option 4)

    Decrease Liner momentum

 

Answers (1)
D Divya Saini

After increasing length freq. decreases

 

Reflection of wave-free end -

1)     If the end of the string is free to move vertically, the free end overshoots twice the amplitude.

2)    At boundary all or part of it is reflected .

3)    When reflected from free end, the pulse is not inverted.

-

 

 


Option 1)

Increase Tesion

This is incorrect

Option 2)

Increase Wave velocity

This is incorrect

Option 3)

Increase Length

This is correct

Option 4)

Decrease Liner momentum

This is incorrect

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