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Standing waves - show that 8 loops are formed ? watch

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    I'm able to do (a) and (b).

    Part (C) is where the problem lies.
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    (Original post by Ari Ben Canaan)
    I'm able to do (a) and (b).

    Part (C) is where the problem lies.
    If you let the length of the string be L
    then in the first case there are N loops and each loop is 10cm
    so
    L = 10N
    in the second case there are N+2 loops and each loop is 8cm
    so
    L = 8(N+2)

    solve for N
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    (Original post by Stonebridge)
    If you let the length of the string be L
    then in the first case there are N loops and each loop is 10cm
    so
    L = 10N
    in the second case there are N+2 loops and each loop is 8cm
    so
    L = 8(N+2)

    solve for N
    Ah, yes. Excellent !

    Thank you !
 
 
 
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