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Ragini Maharaj
Asked: 2022-11-05T10:16:55+05:30 In:

If `v_(1) , v_(2) and v_(3)` are the fundamental frequencies of three segments of stretched string , then the fundamental frequency of the overall string is
A. `sqrtv=sqrtv_(1)+sqrtv_(2)+ sqrtv_(3)`
B. `v=v_(1)+v_(2)+ v_(3)`
C. `1/v=1/v_(1)+1/v_(2)+ 1/v_(3)`
D. `1/sqrtv=1/sqrtv_(1)+1/sqrtv_(2)+ 1/sqrtv_(3)`

If `v_(1) , v_(2) and v_(3)` are the fundamental frequencies of three segments of stretched string , then the fundamental frequency of the overall string is
A. `sqrtv=sqrtv_(1)+sqrtv_(2)+ sqrtv_(3)`
B. `v=v_(1)+v_(2)+ v_(3)`
C. `1/v=1/v_(1)+1/v_(2)+ 1/v_(3)`
D. `1/sqrtv=1/sqrtv_(1)+1/sqrtv_(2)+ 1/sqrtv_(3)`
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  1. Correct Answer – c

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Radhika Bajwa
Asked: 2022-11-05T08:46:29+05:30 In:

If `v_(1) , v_(2) and v_(3)` are the fundamental frequencies of three segments of stretched string , then the fundamental frequency of the overall string is
A. `v_(1) + v_(2) + v_(3)`
B. `[(1)/(v_(1)) + (1)/(v_(2)) + (1)/( v_(3))]^(-1)`
C. `v_(1) v_(2) v_(3)`
D. `[v_(1) v_(2) v_(3)]^(1//3)`

If `v_(1) , v_(2) and v_(3)` are the fundamental frequencies of three segments of stretched string , then the fundamental frequency of the overall string is
A. `v_(1) + v_(2) + v_(3)`
B. `[(1)/(v_(1)) + (1)/(v_(2)) + (1)/( v_(3))]^(-1)`
C. `v_(1) v_(2) v_(3)`
D. `[v_(1) v_(2) v_(3)]^(1//3)`
Parabola
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  1. Correct Answer – B
    `l = l_(1) + l_(2) + l_(3)` [ `because v prop (1)/(l)`]
    `(k)/(v) = (k)/(v_(1)) + (k)/(v_(2)) + (k) + (k)/( v_(3))`
    `(1)/(v) = (1)/(v_(1)) + (1)/( v_(2)) + (1)/(v_(3))`
    `v = [(1)/(v_(1)) + (1)/( v_(2)) + (1)/(v_(3))]^(-1)`

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