Q. 6

Expert-verified
Found in: Page 450

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

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

# A sound wave with wavelength and frequency moves into a new medium in which the speed of sound is . What are the new wavelength and frequency ? Explain

The new wavelength of the new wave is and the new frequency of the new wave is .

See the step by step solution

## Step 1. Write the given information

The wavelength of a sound wave is given by

The frequency of the wave is the speed of the wave is

When the wave travels in a different medium, the speed of the wave is

The frequency of the new wave is

The wavelength of the new wave is

## Step 2. To determine the new wavelength and frequency.

• The speed of the wave is given by the formula
• When the wave travels from one medium to another, the wavelength of the wave changes but the frequency remains constant.
• Therefore, if the speed of the wave changes with the medium, it implies that the wavelength has also changed.

According to the given information,

Thus, the wavelength of the new wave is