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Paper 5 -Question1
近5年Precautions precaution solution 使用了弹簧的话和重物，需要avoid unexpected hitting of eyes, use googles 需要移动比较热的东西的时候防止烫伤avoid burn from hot water/metal/oil/coils use gloves 使用线圈的时候，需要防止电流过大 use protective resistor to reduce the maximum currents 如果有液体，需要防止液体撒溅，prevent spillage of water/oil perform the experiment in a tray 如果有灰尘，放置灰尘进眼，prevent dust particles in eyes use googles 如果有较高的物体站立，需要防止掉落，prevent the falling/toppling of turbine/fans use clamp to fix the turbine on…
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PUM计算器
Calculate CAIE PUM online RAW score of a student Total Mark Threshold A* A B C D E Calculate Raw Percentage: PUM Score: Grade: What is a PUM score Percentage Uniform Mark, PUM is the score shown on the result for Cambridge Assessement International Education(CAIE) Alevel student. To ensure that the lettered grade is…
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常见单位推导
一、国际制单位 System de International The SI – BIPM has set up the standard for measuring the quantity. Seven base unit is defined using the seven universal constants. 二、基本单位Base unit 这7个基本物理量 base quantity以及它们的对应单位分别是 name symbol unit, full name defining constant time t s, second unperturbed ground state hyperfine transition frequency of the caesium-133 atom ΔνCs is 9 192…
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Hello new physicists!
Welcome to Sanjin Zhao’s realm of A-Level physics(9702). Here, let’s discover the interesting world.