Distance between consecutive nodes or antinodes is half a wavelength

1. A.
   0.2 Hz
2. B.
   10 Hz
3. C.
   20 Hz
4. D.
   40 Hz

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1. A.
   0.125 m
2. B.
   0.150 m
3. C.
   0.175 m
4. D.
   0.200 m

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1. A.
   12 n
2. B.
   6 n
3. C.
   $\frac{12}{n}$
4. D.
   $\frac{6}{n}$

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1. A.
   $\dfrac{18}{n}$
2. B.
   $\dfrac{10}{n}$
3. C.
   $\dfrac{9}{n}$
4. D.
   $\dfrac{n}{18}$

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