Ratio of maximum to minimum intensity and the intensity or amplitude ratio of two sources

1. A.
   9:1
2. B.
   4:1
3. C.
   3:1
4. D.
   5:3

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1. A.
   9:1
2. B.
   34:1
3. C.
   4:1
4. D.
   16:1

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1. A.
   3:1
2. B.
   4:1
3. C.
   9:1
4. D.
   10:1

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1. A.
   $\left( \frac{\sqrt{5} + 1}{\sqrt{5} - 1} \right)$
2. B.
   $\sqrt{5}:1$
3. C.
   $\left( \frac{\sqrt{5} - 1}{\sqrt{5} + 1} \right)$
4. D.
   $1:\sqrt{5}$

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1. A.
   $\frac{1 + b}{\sqrt{b}}$
2. B.
   $\frac{1 + b}{2\sqrt{b}}$
3. C.
   $\frac{2\sqrt{b}}{1 + b}$
4. D.
   $\frac{2\sqrt{b}}{(1 + b)^{2}}$

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1. A.
   $9 : 4$
2. B.
   $16 : 9$
3. C.
   $3 : 2$
4. D.
   $4 : 1$

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1. A.
   $4 : 7$
2. B.
   $5 : 7$
3. C.
   $7 : 5$
4. D.
   $7 : 4$

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