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This publication is filled with transparent notes and exam-style perform questions masking each AS Physics subject for the Edexcel assessments. the complete thing’s designed to make revision trouble-free - every thing you want to recognize is defined easily and punctiliously, helped by way of full-colour diagrams. It encompasses a part on How technology Works and many examination counsel. There’s additionally a sprinkling of jokes to lighten the temper. It’s precisely what you want to organize to your checks!
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The diameter of the pipe and the temperature and pressure within the pipe were the same for all the fluids. The table shows that the higher the viscosity of a fluid, the slower it flowed through the pipe. In other words, the rate of flow of a fluid depends on its viscosity. 08 Viscosity Depends on Temperature The viscosities given in the table above were all measured at the same temperature. This is important because the viscosity of a fluid changes with its temperature. 1) The viscosity of most fluids decreases as the temperature increases.
G. glass and pottery) are brittle too — they tend to shatter. Ductile materials can be drawn into wires without losing their strength. You can change the shape of ductile materials by drawing them into wires or other shapes. The important thing is that they keep their strength when they’re deformed like this. Copper is ductile, and with its high electrical conductivity this means that it’s ideal for electric wires. A ductile material has been used for the cables supporting the ski lift in the photo — it’s been drawn into long wires, but kept its strength.
4) Cost — do the benefits of the technique outweigh the expense? For example, MRI scanning is less dangerous than X-ray imaging and gives clearer pictures than ultrasound, but is much more expensive than either. Practice Questions Q1 What is an interface? What happens to a wave when it reaches an interface? Q2 How is sonar similar to ultrasound scanning? Q3 State and explain two things you can do to improve the clarity of an ultrasound image. Exam Questions Q1 Q2 Ultrasound scans can be used to measure the rate of blood flow within a person’s body.
AS-Level Physics Edexcel Complete Revision & Practice by CGP Books