SAT2物理词汇术语整理6

2019-09-30 16:26:58来源：网络

【考试动态】2019年SAT考试时间报名费用报考指南成绩查询送分流程成绩要求成绩换算
【资料推荐】SAT词汇巴朗3500系列SAT阅读OG1-8经典错题解析SAT数学满分冲刺重要知识点
【备考指导】CB发布2018年SAT考试官方报告SAT北美考点汇总美国大学TOP100SAT成绩要求

　　为了帮助大家高效备考SAT，新东方在线SAT频道为大家带来SAT2物理词汇术语整理6，希望对大家SAT备考有所帮助。更多精彩尽请关注新东方在线SAT频道!

　　The following list defines all of the bold-faced words you encountered as you read this book.

　　Concave mirror

　　A mirror that is curved such that its center is farther from the viewer than the edges, such as the front of a spoon. Concave mirrors reflect light through a focal point.

　　Conduction

　　Heat transfer by molecular collisions.

　　Conservation of Angular Momentum

　　If the net torque acting on a rigid body is zero, then the angular momentum of the body is constant or conserved.

　　Conservation of momentum

　　The principle stating that for any isolated system, linear momentum is constant with time.

　　Constant of proportionality

　　A constant in the numerator of a formula.

　　Constructive interference

　　The amplification of one wave by another, identical wave of the same sign. Two constructively interfering waves are said to be “in phase.”

　　Convection

　　Heat transfer via the mass movement of molecules.

　　Convex lens

　　Also called a converging lens, a lens that is thicker in the middle than at the edges. Convex lenses refract light through a focal point.

　　Convex mirror

　　A mirror that is curved such that its center is closer to the viewer than the edges, such as a doorknob. Convex mirrors reflect light away from a focal point.

　　Cosine

　　The cosine of an angle in a right triangle is equal to the length of the side adjacent to the angle divided by the length of the hypotenuse.

　　Crest

　　The points of maximum displacement along a wave. In traveling waves, the crests move in the direction of propagation of the wave. The crests of standing waves, also called anti-nodes, remain in one place.

　　Critical angle

　　For two given media, the smallest angle of incidence at which total internal reflection occurs.

　　Cross product

　　A form of vector multiplication, where two vectors are multiplied to produce a third vector. The cross product of two vectors, A and B, separated by an angle, , is , where is a unit vector perpendicular to both A and B. To deine which direction points, you must use the right-hand rule.

　　Cycle

　　In oscillation, a cycle occurs when an object undergoing oscillatory motion completes a “round-trip.” For instance, a pendulum bob released at angle has completed one cycle when it swings to and then back to again. In period motion, a cycle is the sequence through which a system once during each oscil-lation. A cycle can consist of one trip up and down for a piece of stretched string, or of a compression followed by a rarefaction of air pressure for sound waves.

　　以上就是关于“SAT2物理词汇术语整理6”的内容，更多精彩内容，请关注SAT频道!

SAT水平能力测试【0元免费测试】