# Measuring the speed of waves in solids

In this lesson we will calculate the speed of waves in solids by taking appropriate measurements and processing our results. We will look to reduce any errors in our measurements.

Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.What is the unit of frequency?

1/5

Q2.Which of these descriptions best describes a transverse wave?

2/5

Q3.What is the purpose of measuring the length of 10 wavelengths, when calculating the speed of a water wave?

3/5

Q4.Which equation should be used to calculate wave speed?

4/5

Q5.Which statement is true about water wave speed and the depth of water

5/5

Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.What is the unit of frequency?

1/5

Q2.Which of these descriptions best describes a transverse wave?

2/5

Q3.What is the purpose of measuring the length of 10 wavelengths, when calculating the speed of a water wave?

3/5

Q4.Which equation should be used to calculate wave speed?

4/5

Q5.Which statement is true about water wave speed and the depth of water

5/5

# Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

• Click "Close Video"
• Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

# Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

Quiz:

# Measuring the speed of waves in solids

This quiz will test your knowledge from this lesson and your prior learning.

Q1.What piece of apparatus is used to create water waves?

1/5

Q2.A wave has a wavelength of 3 cm, and a frequency of 3 Hz. What is the wave speed of the wave?

2/5

Q3.Which of these steps to measure the speed of waves on a string will increase the reliability?

3/5

Q4.Which of these steps to measure the speed of waves on a string will increase the accuracy?

4/5

Q5.A photograph of a length of string shows 4 waves. If the string has a length of 42 cm and the vibration generator is set to 3 Hz. What is the wave speed of the waves on the string?

5/5

Quiz:

# Measuring the speed of waves in solids

This quiz will test your knowledge from this lesson and your prior learning.

Q1.What piece of apparatus is used to create water waves?

1/5

Q2.A wave has a wavelength of 3 cm, and a frequency of 3 Hz. What is the wave speed of the wave?

2/5

Q3.Which of these steps to measure the speed of waves on a string will increase the reliability?

3/5

Q4.Which of these steps to measure the speed of waves on a string will increase the accuracy?

4/5

Q5.A photograph of a length of string shows 4 waves. If the string has a length of 42 cm and the vibration generator is set to 3 Hz. What is the wave speed of the waves on the string?

5/5

# Lesson summary: Measuring the speed of waves in solids

## Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Climb stairs

On the spot:
Dance