盤點(diǎn)Alevel課程A*高分及最難的科目！
近些年，越來越多的家長意識到國際教育的重要性，A-level課程也成為眾多家長和學(xué)生的首選。今天就為大家盤點(diǎn)一下，Alevel課程A*高分及最難的科目，為進(jìn)入世界頂級學(xué)府做準(zhǔn)備。 Alevel的A*標(biāo)準(zhǔn) Alevel的每一科考試...
Edexcel A Level Physics:復(fù)習(xí)筆記10.4 The Hertzsprung-Russell Diagram
The Hertzsprung - Russell Diagram Danish astronomer Ejnar Hertzsprung, and American astronomer Henry Noris Russell, independently plotted the?luminosity?of different stars against their?temperature...
Edexcel A Level Physics:復(fù)習(xí)筆記10.3 Standard Candles
Determining distance using standard candles Standard Candles A standard candle is defined as: An astronomical object which has a known luminosity due to a characteristic quality possessed by that c...
Edexcel A Level Physics:復(fù)習(xí)筆記10.2 Parallax
Determining Distance using Parallax The?principle of parallax?is based on how the position of an?object?appears to change as the position of the?observer?changes For example, when?observing?the sca...
Edexcel A Level Physics:復(fù)習(xí)筆記10.1 Inverse Square Law of Flux
Inverse Square Law of Flux The moment the light leaves the surface of the star, it begins to spread out uniformly through a spherical shell Light sources which are further away appear fainter becau...
Edexcel A Level Physics:復(fù)習(xí)筆記9.12 Wien’s Law
Wien's Law Wien’s displacement law relates the observed wavelength of light from an object to its surface temperature, it states: The black body radiation curve for different temperatures peaks at ...
Edexcel A Level Physics:復(fù)習(xí)筆記9.11 Stefan-Boltzmann Law
Stefan-Boltzmann Law An objects?luminosity?depends on two factors: Its surface temperature Its surface area The relationship between these is known as the?Stefan-Boltzmann Law, which states:...
Edexcel A Level Physics:復(fù)習(xí)筆記9.10 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...
Edexcel A Level Physics:復(fù)習(xí)筆記9.9 Average Molecular Kinetic Energy
Average Molecular Kinetic Energy An important property of molecules in a gas is their?average kinetic energy This can be deduced from the ideal gas equations relating pressure, volume, temperature ...
