AQA A Level Physics復習筆記6.4.3 Specific Heat Capacity
Specific Heat Capacity When a substance is heated, its temperature rises causing the particles within it to gain kinetic energy The amount of energy required to raise the temperature of a su...
AQA A Level Physics復習筆記6.4.2 The First Law of Thermodynamics
The First Law of Thermodynamics The First Law of Thermodynamics, which is based on the principle of conservation of energy, states: The internal energy of a system is increased when energy?i...
AQA A Level Physics復習筆記6.4.1 Internal Energy
Internal Energy Energy can be classified into two forms: kinetic or potential energy The molecules of all substances contain both kinetic and potential energies Kinetic energy is due to the ...
AQA A Level Physics復習筆記6.3.3 Resonance
Resonance The frequency of forced oscillations is referred to as the?driving frequency (f)?or the frequency of the applied force All oscillating systems have a?natural frequency (f0), this i...
AQA A Level Physics復習筆記6.3.2 Free & Forced Oscillations
Free & Forced Oscillations Free Oscillations Free oscillations occur when there is no transfer of energy to or from the surroundings This happens when an oscillating system is displaced ...
AQA A Level Physics復習筆記6.3.1 Damping
Damping In practice, all oscillators eventually stop oscillating Their amplitudes decrease rapidly, or gradually This happens due to?resistive forces, such as friction or air resistan...
AQA A Level Physics復習筆記6.2.8 Required Practical: Investigating SHM
Required Practical: Investigating SHM Equipment List Resolution?of measuring equipment: Stopwatch = 0.01 s Metre Ruler = 1 mm SHM in a Mass-Spring System The overall aim of this exper...
AQA A Level Physics復習筆記6.2.7 Energy in SHM
Energy in SHM During?simple harmonic motion, energy is constantly exchanged between two forms: kinetic and potential The potential energy could be in the form of: Gravitational potential ene...
2023年A-Level考試將迎重大改革！
A-Level考試改革已經傳了很久，這一次動真格了！英國學生辦公室(OfS)已經制定了一項新的入學制度，該制度可能取消A-Level預估分（predicted result）的使用。取消預估分意味著，學生需要先拿到A-Level實考成績以...
