light光 
ray线,射线 
source源 
beam束,柱,道 
diffraction衍射 
reflection反射 
refraction折射 
incident ray入射线 
angle of incidence入射角 
refractive index折射率 
lens透镜 
image像 
focus, focal point焦点 
focal length焦距 
convergent全聚的 
divergent发散的 
concave凹 
convex凸 
biconcave, concavo-concave凹凹,双凹 
biconvex, convexo-convex凸凸,双凸 
mirror镜 

电学 
electric current电流 
electron电子 
proton质子 
positron阳电子 
charge电荷 
positive正 
negative负 
electromotive force电动势 
electrode电极 
anode阳极,正极 
cathode阴极,负极 
electropositive电阳性的,电正性的 
electronegative电阴性的,电负性的 

磁学 
magnetism磁学,磁性 
magnetic field磁场 
flux磁通量 
magnetic induction磁感应 
magnet磁体,磁铁 
electromagnet电磁体 
electromagnetic电磁的 
pole磁极 
coil线圈 

力学 
matter物质 
energy能 
vacuum真空 
liquid液体 
fluid流体 
solid固体 
body物体 
mass质量 
weight重量 
density密度 
specific gravity比重 
gravity重力 
velocity速度 
kinetic energy动能 
intensity强度 
friction磨擦力 
pressure压力,压强 
to exert a force施作用力 
vector矢量,向量 
work功 
temperature温度 
heat热 
conduction传导 
conductor导体 
radiation辐射 
expansion膨胀 
quantum theory量子论 
dynamics, kinetics动力学 
kinematics运动学 
statics静力学 
torque转矩 
axis of rotation转动轴 
moment of inertia转动惯量