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The photoelectric effect is the emission of electrons from a metal surface when light is incident on it. When a photon (a light particle) hits the metal surface, it interacts with the metal's electrons. T...
Stationary points are found by considering the points at which the gradient of the function equal zero. For the above, you need to employ the quotient rule, since both numerator and denominator are f(x), ...
Unseen passages can be daunting, but they are designed as an opportunity for you to show your skills to the examiner. Try and think of them as an invitation to really engage in some close analysis of writ...
The Subjunctive is a mood, not a tense, and is used to express doubt, desire, thoughts, wishes, etc...anything that reflects how the speaker feels in reaction to the the action that takes/has taken/will t...
"τάς φύσεις" is accusative plural as it is an Accusative of Respect."[They] should be matched up according to their nature"
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