Recurrence Relations What do I need to know about recurrence relations? A?recurrence relation?describes each term in a sequence as a function of the previous term – ie?un+1?= f(un) Along with the f...
Sigma Notation What is sigma notation? The symbol Σ is the capital Greek letter sigma – that's why it's called 'sigma notation'! 'Σ' stands for 'sum' – the expression to the right of the Σ tells yo...
Language of Sequences & Series What is a sequence? A?sequence?is an?ordered?set of numbers with a rule for finding all the numbers in the sequence The numbers in a sequence are called?terms The...
Earth's Surface–Atmosphere System It is useful to consider Earth’s energy balance in terms of how much incoming energy from the Sun is used and how much is returned to space If incoming and outgoin...
Greenhouse Gases When radiation from the Sun hits the Earth, it is radiated back from the Earth's surface as long-wave radiation A greenhouse gas is a gas that absorbs this re-radiated radiation, t...
The Solar Constant Since life on Earth is entirely dependant on the Sun’s energy, it is useful to quantify how much of its energy reaches the top of the atmosphere This is known as the solar consta...
Black-Body Radiation Black body radiation is the name given to the?thermal radiation?emitted by all bodies (objects) All objects, no matter what temperature, emit black body radiation in the form o...
Conduction, Convection & Thermal Radiation Thermal energy transfers from hotter areas to cooler areas by the processes of: Conduction Convection Radiation Objects will?always?lose heat until th...
Safety Issues in Nuclear Power Safety Measures for Workers Several measures are in place to reduce the worker’s exposure to radiation The fuel rods are?handled remotely?ie. by machines The nuclear ...
