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Waves in air, fluids and solids answer explanations

Review worked answers and explanations for Waves in air, fluids and solids. Aligned to AQA Gcse Physics.

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Question 821 of 826

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(Physics only) An ultrasound pulse is sent into a material and returns after 0.0002 seconds. If the speed of ultrasound in the material is 1500 m/s, what is the distance to the reflecting surface?