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When we work with circles, one of the most popular things to pop up is pi. We know that for any circle the circumference divided by the radius gives pi, without failure always. Pi is a number that’s been ...

Breathe.Try not to panic. While it may seem unfamiliar, Oxbridge interviewers aren’t looking to trick you in any way, and instead want to see how you apply what you know to new situations. There’s no pres...

Optical isomers are a form of stereoisomers which are chemical species with the same structural formula, but have a different arrangement of atoms in 3-dimensional space. Optical isomers are characterised...

A logical and comprehensible structure is essential to every essay if it is to be coherent enough to hit the top bands. Highlighting the key words in the chosen/given question and thoroughly ordering your...

First, we know our equation for resistivity rho = RA/L. We know that L and A are in [m], which are already in SI units - however, [ohms] are not SI units. We do know, however, we know that R = V/I, and th...