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The photoelectric effect is a phenomenom which occurs when photons strike a metal causing electrons to be released from the metal atoms. This occurs because the photons transfer their energy to the electrons...

To differentiate you must look at each term separately. So for x^2 to differentiate we bring the two down to multiply in front of the x and then take one away from the power leaving 2x. For 4x, x is to the p...

Mass spectrometry is a method of identifying the molecular mass of compounds by measuring its mass to charge ratio. Methods vary depending on the molecules being analysed, their phase, the wanted sample inse...

The key to succesfully passing geography at A2 is no longer the requirement to regurgitate information but the awareness of pressing topics and events occurring in the present. Extra wider reading around top...

The key to a unique personal statement is indeed to erase repeated common phrases and instead rearrange sentences and the word order whilst also only including key information relevant to the course you wish...