pdf, 94.61 KB
pdf, 94.61 KB
pptx, 352.38 KB
pptx, 352.38 KB
docx, 12.87 KB
docx, 12.87 KB

AQA A-level Physics Option B lesson on short sight, long sight and astigmatism. 14 editable slides, 25-mark worksheet and mark scheme.
What’s in the PowerPoint
• A lens recap starter, with answers in the speaker notes
• Real is positive, virtual is negative
• Short sight and long sight, with ray diagrams
• Worked examples of correcting lens power for both
• Astigmatism and cylindrical lens prescriptions
• A common mistakes slide
• Six check questions with answers, and an exit ticket
• Teacher notes in the speaker notes throughout
What’s in the worksheet (25 marks)
• Recall of defects and correcting lenses
• Calculating correcting lens powers
• Drawing a correction ray diagram
• Exam-style questions on signs and prescriptions
• A full mark scheme with mark points, on separate pages
Good for
First teaching, revision, homework, cover lessons or independent study. Both files are fully editable in PowerPoint and Word.

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