AP EAMCET · PHYSICS · Waves and Sound
The vibrations of four air columns are shown below. The ratio of frequencies is
- A 1:2:3:4
- B 1:3:2:4
- C 1:4:3:2
- D 1:4:2:3
Answer & Solution
Correct Answer
(D) 1:4:2:3
Step-by-step Solution
Detailed explanation
For fig(a), \(L=\frac{\lambda_1}{4} \Rightarrow \lambda_1=4 \mathrm{~L}\) For fig (b), \(L=\frac{\lambda_2}{4}+\frac{\lambda_2}{2}+\frac{\lambda_2}{4}=\lambda_2 \Rightarrow \lambda_2=\mathrm{L}\) For fig (c),…
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