AQA A Level Physics復(fù)習(xí)筆記3.1.1 Progressive Waves
Properties of Oscillations A progressive wave is defined as: A wave that transfers energy from one point to another without transferring the medium itself Properties of a Progressive Wave Di...
AQA A Level Physics復(fù)習(xí)筆記3.5.3 Fibre Optics
Fibre Optics Fibre optics utilise the phenomenon of total internal reflection to send high speed light signals over large distances These have many important uses, including: Communications,...
2022年UCAS補錄發(fā)生變化，調(diào)劑環(huán)節(jié)被取消！
UCAS（英國大學(xué)招生服務(wù)中心）發(fā)布公告，從2022年的入學(xué)年開始，2022年UCAS補錄發(fā)生變化，不再使用調(diào)劑（Adjustment），改為補錄（Clearing），2022年申請季的Clearing已經(jīng)在7月5日正式開放了。 UCAS取消“調(diào)劑”環(huán)...
2022AP成績出分，如何查分/送分/復(fù)議/取消/隱藏？
2022AP考試成績將在7月5日全球同步發(fā)送，每位考生可以通過自己的AP學(xué)生賬號在線查詢成績。但拿到考試成績不是終點，還需要留意后續(xù)的成績相關(guān)流程。 接下來這篇文章會針對同學(xué)關(guān)心的問題：查分/送分/復(fù)議/取消/隱...
AQA A Level Physics復(fù)習(xí)筆記3.5.2 Snell's Law
Snell's Law Snell’s law relates the angle of incidence to the angle of refraction, it is given by: n1?sin?θ1?=?n2?sin?θ2 Where: n1?= the refractive index of material 1 n2?= the refractive in...
AQA A Level Physics復(fù)習(xí)筆記3.4.2 The Diffraction Grating
The Diffraction Grating A diffraction grating is a plate on which there is a?very large?number of parallel, identical, close-spaced slits When monochromatic light is incident on a grating, a...
2022牛劍官方書單、網(wǎng)站、各類資源匯總！
盼望著盼望著，暑假終于來了！在放松心情之余，大家也有了更充裕的時間可以投入到自己想做的事情上去。針對本科申請者的暑期安排，牛劍官方紛紛更新了“課外學(xué)習(xí)資源清單”，直接將各類珍貴學(xué)習(xí)資源一網(wǎng)打盡，大家...
機械工程方向課題推薦，科研項目/競賽皆可適用！
本周新課題匯總 1復(fù)雜系統(tǒng)可靠性模型研究 2金屬橡膠隔振器作為發(fā)動機懸置的可行性研究 3內(nèi)燃機排氣管疲勞壽命的改進 4網(wǎng)球拍減振器 5室內(nèi)低頻噪聲的改善 6綠色金融對生態(tài)環(huán)境的影響研究 7中國數(shù)字經(jīng)濟發(fā)展水平測...
AQA A Level Physics復(fù)習(xí)筆記3.3.5 Required Practical: Young's Slit Experiment & Diffraction Gratings
Required Practical: Young's Slit Experiment & Diffraction Gratings Equipment List Resolution?of measuring equipment: Metre ruler = 1 mm Vernier Callipers = 0.01 mm Young’s Double-...
AQA A Level Physics復(fù)習(xí)筆記3.3.4 Developing Theories of EM Radiation
Developing Theories of EM Radiation Isaac Newton (1672) Newton proposed that visible light is a stream of microscopic particles called?corpuscles However, these corpuscles could not explain ...
AQA A Level Physics復(fù)習(xí)筆記3.3.3 Young's Double-Slit Experiment
Double Slit Interference Two Source Interference For two-source interference fringes to be observed, the sources of the wave must be: Coherent?(constant phase difference) Monochromatic?(sing...
AQA A Level Physics復(fù)習(xí)筆記3.3.2 Demonstrating Interference
Interference & Diffraction of a Laser Interference and diffraction of lasers can be demonstrated with slits or diffraction gratings For light rays, such as a laser light through two slit...
