BTEC Applied Science Unit 1 Physics: Superposition (C05) - worksheet + answers

A complete, ready-to-teach lesson for Unit 1 (Principles and Applications of Science I), physics section: superposition, interference, coherence, path difference and phase difference.

Learning objectives:

• State the principle of superposition.
• Explain constructive and destructive interference.
• Define coherence and explain why it is needed for a stable pattern.
• Use path difference to predict maxima and minima.

What’s included:

• Student worksheet (PDF and editable Word)
• Teacher version with model answers and mark schemes (PDF and editable Word)
• Teacher notes: lesson flow, common misconceptions and practical/safety notes
• Retrieval starter (5 marks)
• Structured tasks with key-idea boxes and clear diagrams
• Check for Understanding quiz (10 marks) with a confidence self-assessment
• Exam-style practice (15 marks), ending with a levels-marked 6-mark question with indicative content

Specification coverage:

• C1 - Superposition: the principle of superposition; constructive and destructive interference.
• C1 - Superposition: coherence, path difference and phase difference.

About 60 minutes of teaching; the exam-style section works in class or as homework. All questions are original.

Written for the Pearson BTEC Level 3 Nationals in Applied Science. Not endorsed by Pearson. Single-school licence.