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It's not that Oxbridge doesn't care about extra-curriculars per se, but that they focus more on your academic interests and your passion for the course you're applying for. What they like to see is eviden...

The main difficulty that most people have with the UKCAT is finishing on time due to the strict time restrictions. In reality, not many people are going to be able to give proper thought and answer all th...

This is a typical GCSE chemistry question relating to collision theory. Collision theory states that for a reaction to occur, the reactant particles must collide at a sufficient level of energy. To answer...

Rearrange the first equation to give b as the subject.

b = 16 - 6a

Then substitute that equation for b into the second equation.

5a - 2(16 - 6a) = 19

Simplify this equation (re...

Momentum of electron=mv=6.377x10^^-24 kg m/s

λ=h/mv=6.63x10^-34/6.377x10^-24=1.039...x10^-10=1x10^-10m