Q. 60

Expert-verified
Found in: Page 486

### Physics for Scientists and Engineers: A Strategic Approach with Modern Physics

Book edition 4th
Author(s) Randall D. Knight
Pages 1240 pages
ISBN 9780133942651

# Analyze the standing sound waves in an open-closed tube to show that the possible wavelengths and frequencies are given by Equation 17.18.

The conditions of having one node and one antinode at the end the formulas that one could get are,

See the step by step solution

## Step 1: The concept of node and antinode

Node is a point which's amplitude is 0. The point in which amplitude is maximum is known as antinodes.

## Step 2: Finding out the frequencies based on the information

In an open-closed tube, the presence of node and antinode is a must. so, the possible arrangements can reach to

Thus the outcome is

Here m= 1, 3, 5 and the arrangements will be

In order to make the connection with frequency, the wave has speed v and wavelength and the frequency could be found as

The substitution of the wavelength is