Reflection

In this lesson we will be considering what happens when waves meet a material interface and constructing ray diagrams to illustrate reflection of waves at surfaces.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

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 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

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

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 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

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.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Reflection

This quiz will test your understanding of the topic in the lesson, and prior knowledge from earlier in this topic.

Q1.A wave has a speed of 100 m/s and a frequency of 20 Hz. Calculate the wavelength.

1/6

Q2.What is the unit of wavelength?

2/6

Q3.What is the normal?

3/6

Q4.Which of the following can not take place when a wave meets a material interface?

4/6

Q5.What is the largest source of error in the reflection required practical?

5/6

Q6.What is the law of reflection?

6/6

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Reflection

This quiz will test your understanding of the topic in the lesson, and prior knowledge from earlier in this topic.

Q1.A wave has a speed of 100 m/s and a frequency of 20 Hz. Calculate the wavelength.

1/6

Q2.What is the unit of wavelength?

2/6

Q3.What is the normal?

3/6

Q4.Which of the following can not take place when a wave meets a material interface?

4/6

Q5.What is the largest source of error in the reflection required practical?

5/6

Q6.What is the law of reflection?

6/6

Lesson summary: Reflection

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Time to move!

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For 5 mins...

Move around:
Jog

On the spot:
Chair yoga

The next lesson in:
Waves
is:
Refraction

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