# Leaving Certificate

### Flashcard: Modern Physics – Leaving Cert Physics Terms

Ionisation – occurs when an atom loses electrons. Thermionic Emission – is the giving off of electrons from the surface of a hot metal. Photoelectric Effect – is the emission of electrons from a metal due to light of a suitable frequency falling upon it. Photon – is a discrete… Continue Reading →

### Flashcard: Mechanics – Leaving Cert Physics Terms

Displacement – is distance in a given direction. Speed – is the rate of change of distance with respect to time. Velocity – is the rate of change of Displacement with respect to time. Acceleration – is the rate of change of Velocity with respect to time. Scalar Quantity –… Continue Reading →

### Flashcard: Heat – Leaving Cert Physics Terms

Temperature – of an object is a measure of the hotness or coldness of that object. Thermometric Property – is any physical property that changes measurably with temperature. Specific Heat Capacity – of a substance is the heat energy needed to change one kilogram of the substance by one Kelvin…. Continue Reading →

### Flashcard: Optics Waves & Light Sound – Leaving Cert Physics Terms

Real Image – is an image formed by the actual intersection of light rays. Virtual Image – is formed by the apparent intersection of light rays. Refraction – is the bending of light as it passes from one medium to another. The Refractive Index of a Medium – is the… Continue Reading →

### Thomas Kinsella’s poetry extends the reader’s understanding of life. – Sample Essay

‘Kinsella’s poetry extends the reader’s understanding of life. Discuss.’   Having studied a selection of poetry by Kinsella on my Leaving Certificate course, I have no hesitation in saying that they not only extend my understanding of life, but challenge me to confront reality and to accept, endure and handle… Continue Reading →

### Complex numbers: Roots of a cubic equation

A cubic equation can have 3 real roots or 1 real root and a complex conjugate pair. In this video I show you how through the graphs of cubic equations. I then show you how to solve cubic equations that have complex roots by looking at this example: Find all… Continue Reading →

### Complex Numbers: de Moivre’s Theorem

Complex Numbers (de Moivre’s Theorem) Maths Revision Tutorial.

### Expressing a Complex Number in Trigonometric or Polar Form

Expressing a Complex Number in Trigonometric or Polar Form.

### Complex Numbers: Complex Conjugates

Complex Numbers: Complex Conjugates

### Complex Number 2013 Sample Paper HL Q1 Solution

Solutions to the 2013 Sample Leaving Cert Higher Level Paper 1 Question 1.