1. | \(275~\text{Hz}\) | 2. | \(175~\text{Hz}\) |
3. | \(525~\text{Hz}\) | 4. | \(575~\text{Hz}\) |
1. | \(\frac{3}{2}\) | 2. | \(\frac{5}{3}\) |
3. | \(\frac{7}{4}\) | 4. | \(\frac{7}{6}\) |
1. | \(10~\text{Hz}\) | 2. | \(20~\text{Hz}\) |
3. | \(30~\text{Hz}\) | 4. | \(40~\text{Hz}\) |
The second overtone of an open organ pipe has the same frequency as the first overtone of a closed pipe L metre long. The length of the open pipe will be
1. L
2. 2L
3. L/2
4. 4L
An air column, closed at one end and open at the other, resonates with a running fork when the smallest length of the column is 50 cm. The next larger length of the column resonating with the same tunning fork is
1. 1OO cm
2. 150 cm
3. 200 cm
4. 66.7cm