IB DP Physics: HL復習筆記9.1.2 Energy Changes in SHM
Energy Changes in SHM During?simple harmonic motion, energy is constantly exchanged between two forms: Kinetic?energy Potential?energy The potential energy could be in the form of: Gravitational po...
IB DP Physics: HL復習筆記9.1.1 The Defining Equation of SHM
The Defining Equation of SHM Simple harmonic motion (SHM)?is a fundamental oscillation which appears naturally in various phenomena, including: The swing of a pendulum A mass on a spring Guitar str...
IB DP Physics: HL復習筆記8.2.5 Earth's Surface–Atmosphere System
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...
IB DP Physics: HL復習筆記8.2.4 The Greenhouse Effect
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...
IB DP Physics: HL復習筆記8.2.3 The Solar Constant, Albedo & Emissivity
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...
IB DP Physics: HL復習筆記8.2.2 Black-Body Radiation
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...
IB DP Physics: HL復習筆記8.2.1 Conduction, Convection & Thermal Radiation
Conduction Thermal energy transfers from hotter areas to cooler areas by the processes of: Conduction Convection Radiation Objects will?always?lose heat until they are in thermal equilibrium (same ...
IB DP Physics: HL復習筆記8.1.6 Safety Issues in Nuclear Power
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 ...
IB DP Physics: HL復習筆記8.1.5 Energy Generation
Energy Generation You need to know about the main ways of generating electricity: The equipment involved The advantages and disadvantages Calculate power obtained for different setups These revisio...
