ÌÇÐÄVlog

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ÌÇÐÄVlog

Last updated

4 November 2026

pdf, 101.99 KB
pdf, 101.99 KB
pptx, 277.69 KB
pptx, 277.69 KB
docx, 13.24 KB
docx, 13.24 KB

AQA A-level Physics Option B lesson on ultrasound imaging and acoustic impedance. 15 editable slides, 26-mark worksheet and mark scheme.
What’s in the PowerPoint
• A waves and echoes starter, with answers in the speaker notes
• Acoustic impedance, Z = �c, and the reflected fraction
• A worked example showing why coupling gel is needed
• Piezoelectric transducers
• A-scans and B-scans, with a worked depth example
• A table of advantages and disadvantages
• 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 (26 marks)
• Recall of impedance and transducers
• Impedance, reflection and depth calculations
• Comparing intensity with and without gel
• Exam-style questions on A-scans, B-scans and time-gain compensation
• 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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