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Homework Worksheet

TN-PHYS-AP-55580 · v2.7

Refraction

AP · Physics · Waves · Cambridge (CAIE)

Grade

AP

Subject

Physics

Topic

Waves

Subtopic

Refraction

Curriculum

Cambridge (CAIE)

Difficulty

Core

Time

25 minutes

Total marks

44

Student name

Teacher name

Date

Learning objectives

  • Recognise refraction accurately in physics contexts.
  • Explain the underlying rule of refraction in the student's own words.
  • Apply refraction to multi-step and unfamiliar problems.
  • Justify a chosen method and identify errors in another student's work.

Skills assessed

  • Fluency and recall
  • Method and setting out
  • Reasoning and justification
  • Problem solving in context
  • Self-assessment

Instructions

  1. Write your name, your teacher's name and the date in the header.
  2. Answer every question in the space provided. Continue on the back if needed.
  3. Show all working — method marks are awarded even when the final answer is wrong.
  4. Aim to finish in about 25 minutes.
  5. Complete the reflection box at the end before you hand the sheet in.

Warm-up

Bloom: Remember · 3 marks

Answer quickly. These check you are ready for the topic.

  1. 1.Circle one fact you already know about refraction.

    [1]
  2. 2.State one fact you already know about refraction.

    [1]
  3. 3.Write down one fact you already know about refraction.

    [1]

Recall

Bloom: Remember · 3 marks

Complete from memory. No calculator, no notes.

  1. 1.Define the key term used in refraction described here: item 1.

    [1]
  2. 2.Define the key term used in refraction described here: item 2.

    [1]
  3. 3.Label the key term used in refraction described here: item 3.

    [1]

FreeMathWorksheet · TN-PHYS-AP-55580 · v2.7

© 2026 FreeMathWorksheet. Licensed for classroom and home use. Redistribution or resale is not permitted.

Page 1 of 4

FreeMathWorksheet · AP Physics

Refraction

Basic Practice

Bloom: Understand · 4 marks

Work through each item. Show the step you used.

  1. 1.Complete part 1 using the rule for refraction.

    [1]
  2. 2.Work out part 2 using the rule for refraction.

    [1]
  3. 3.Match part 3 using the rule for refraction.

    [1]
  4. 4.Match part 4 using the rule for refraction.

    [1]

Guided Practice

Bloom: Understand · 6 marks

The first step is given. Finish the reasoning.

  1. 1.Using the first step given, finish part 1. Step 1 has been started for you.

    [2]
  2. 2.Continue the working for part 2. Step 1 has been started for you.

    [2]
  3. 3.Using the first step given, finish part 3. Step 1 has been started for you.

    [2]

FreeMathWorksheet · TN-PHYS-AP-55580 · v2.7

© 2026 FreeMathWorksheet. Licensed for classroom and home use. Redistribution or resale is not permitted.

Page 2 of 4

FreeMathWorksheet · AP Physics

Refraction

Independent Practice

Bloom: Apply · 8 marks

No scaffolding. Set out your full method.

  1. 1.Determine part 1 on refraction without help.

    [2]
  2. 2.Determine part 2 on refraction without help.

    [2]
  3. 3.Solve part 3 on refraction without help.

    [2]
  4. 4.Work out fully part 4 on refraction without help.

    [2]

Challenge Questions

Bloom: Analyse · 6 marks

Harder items. Attempt every one, even partially.

  1. 1.Show that the statement in part 1 about refraction.

    [3]
  2. 2.Show that the statement in part 2 about refraction.

    [3]

Real-life Application

Bloom: Apply · 6 marks

Use the skill in context. State units in your answer.

  1. 1.In context, work out a real physics situation that depends on refraction.

    [3]
  2. 2.Use the information to decide a real physics situation that depends on refraction.

    [3]

FreeMathWorksheet · TN-PHYS-AP-55580 · v2.7

© 2026 FreeMathWorksheet. Licensed for classroom and home use. Redistribution or resale is not permitted.

Page 3 of 4

FreeMathWorksheet · AP Physics

Refraction

Critical Thinking

Bloom: Evaluate · 8 marks

Explain your reasoning in full sentences.

  1. 1.Explain why a student's method for refraction is or is not efficient.

    [4]
  2. 2.Evaluate whether a student's method for refraction is or is not efficient.

    [4]

Reflection

Bloom: Create · 0 marks

Not marked. Answer honestly — this guides your next worksheet.

  1. 1.Record how confident you feel with refraction and what you will practise next.

    [—]
  2. 2.Describe how confident you feel with refraction and what you will practise next.

    [—]

FreeMathWorksheet · TN-PHYS-AP-55580 · v2.7

© 2026 FreeMathWorksheet. Licensed for classroom and home use. Redistribution or resale is not permitted.

Page 4 of 4