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This is a standard A-level particle physics question. To solve it, we need to use three equations given in the formula sheet of the paper. To find the energy of the photon, we use Einsteins famous energy-...
The hazards can be categorized into two different types: Primary and Secondary. Of the primary hazards, there are 4 main ones that pose a threat to life and property: lava flows, pyroclastic flows, tephra...
the nth term formula is the sum of the first term (a) and the second to last term (n-1) * the common difference (d). so a + (n-1)d where a = 2 and d = 4 in this case is 2 + (n-1)4 = 4n - 2. the sum to...
Describe where the human heart is located - i.e. thoracic cavityDefine the function of the heart - to supply the body with blood, act as a pumpStructure of the heart - 4 chambers (2 ventricles, 2 atria), ...
Firstly, specialised white blood cells, known as macrophages, detect the virus in the blood stream. This is due to the virus releasing chemicals, and in the process of chemotaxis, the macrophage follows t...
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