Barron's SAT II 物理

內(nèi)容概要

　　this 10th edition of barron} sat subject
7bst physics contains corrections to the 9th edition and some new
material. unlike other review books, which just present practice
test questions, this book provides you with full content review,
tips for improving problem-solving skills, test-taking strategies,
special sidebars that highlight important concepts, and
self-assessment rubrics to improve your test score.
　　 the book begins with an introduction to the sat subject test in
physics.remember that any review book can give you only an
approximation of the full content of an sat subject exam. since the
material contained on an actual exam is owned by copyright, all
tests included in this book (as well as percentages of content
distribution) are necessarily simulated to reflect the level and
types of questions you may encounter on the actual exam.

作者簡介

作者：（美國）格維爾茨（Herman Gewirtz） （美國）沃爾夫（Jonathan S.Wolf）

書籍目錄

前言
入門
　前言
　考試內(nèi)容
　物理題解題技巧
　考試技巧
摸底考試
　摸底考試
　答案
　答案釋疑
　自評指南
1 實驗室技能中的測量和關系
　物理學的測量
　實驗室技能中的有效數(shù)字和標準符號
　實驗分析中的建立關系
2 向量
　坐標系統(tǒng)和參考系
　向量是什么?
　向量加法
　向量減法
　使用向量分解的向量加法
　習題
3 一維運動
　人門
　平均速度和瞬時運動
　勻加速運動
　重力加速度運動
　運動圖表分析
　習題
4 二維運動
　相對運動
　平拋運動
　平拋運動公式
　勻速圓周運動
　習題
5 力和牛頓運動定律
　入門
　力
　牛頓運動定律
　牛頓運動定律的靜態(tài)應月
　牛頓運動定律的動態(tài)應月
　中心力
　摩擦
　習題
6 功、能量和功率
　功和能量
　彈性和胡克定律
　習題
7 碰撞和動量
　內(nèi)力和外力
　碰撞和動量變化
　動量守恒定律
　彈性碰撞和非彈性碰撞
　習題
8 引力
　開普勒行星運動定律
　牛頓萬有引力定律
　牛頓關于開普勒定律的解釋
　重力能和運行軌道
　習題
9 熱能和溫度
　功理論
　溫度和熱能
　溫度測量
　熱脹冷縮
　習題
10 熱能的測量
　熱容量
　相位變化
　習題
11 熱能和功
　熱能和機械能
　熱力學
　熱能的傳遞方式
　習題
12 波運動和聲
　波運動
　聲
　諧振和干擾
　空氣柱振動
　弦振動
　多普勒效應
　習題
13 幾何光學：反射和折射
　反射
　折射
　透鏡
　色彩和光
　習題
14 物理光學：干涉和衍射
　光的干涉
　衍射
　偏振
　習題
15 電學
　電荷的本質(zhì)
　電荷的檢測和測量
　庫侖定律
　電場
　電勢和電勢差
　電勢差；電流——直流電
　歐姆定律與直流電路
　電能和功率
　習題
16 磁學
　一些基本術語
　有關磁鐵的理論和事實
　電磁感應
　互感現(xiàn)象和變壓器
　習題
17 電子元件
　電容器和電容
　陰極射線管
　習題
18 量子理論和核物理
　光電效應
　原子模型
　原子和放射性
　原子核的變化
　核反應
　粒子和粒子加速器
　裂變和聚變
　習題
19 狹義相對論
　愛因斯坦的狹義相對論
　長度收縮
　同時性和時間膨脹
　相對論質(zhì)量和能量
　習題
測試題
　測試題1
　答案
　答案釋疑
　自評指南
　測試題2
　答案
　答案釋疑
　自評指南
　測試題3
　答案
　答案釋疑
　自評指南
附錄
　i.三角函數(shù)值
　ii.公式總結
　iii.數(shù)學復習
　iv.物理參照表
　v.物質(zhì)的密度
　vi.國際原子量
術語表
索引

章節(jié)摘錄

版權頁：插圖：In the nineteenth century, chemical experiments to explain these effects showed thepresence of molecules called ions in solution. These ions possessed similar affinities forcertain objects, such as carbon or metals, placed in the solution. These objects are calledelectrades. The experiments confirmed the existence of two types of ions, positive andnegative. The effects they produce are similar to the two types of effects produced whenebonite and glass are rubbed. Even though both substances attract small objects, theseobjects become charged oppositely when rubbed, as indicated by the behavior of thepith ball. Fllrther, chemical experiments coupled with an atomic theory demonstratedthat in solids it is the negative charges that are transferred. Additional experiments byMichael Faraday in England during the first half of the nineteenth century suggestedthe existence of a single, fundamental carrier of electric charge, which was later namedthe electron. The corresponding carrier of positive charge was termed the proton.When ebonite is rubbed with cloth, only the part of the rod in contact with the clothbecomes charged. The charge remains localized for some time （hence the name static）.For this reason, among others, rubber, along with plastic and glass, is called aninsulator. A metal rod held in your hand cannot be charged statically for two reasons.First, metals are conductorr,, that is, they allow electric charges to flow through them.Second, your body is a conductor, and any charges placed in the metal rod are con-ducted out through you （and into the earth）. This effect is called grounding. Thesilver-coated pith balls mentioned in the preceding section can become staticallycharged because they are suspended by thread, which is an insulator. They can be usedto detect the presence and sign of an electric charge, but they are not very helpful inobtaining a qualitative measurement of the magnitude of charge they possess.  An instrument that is often used for qualitative measurement is the electroscope.One form of electroscope consists of two "leaves" made of gold foil （Figure 15.2a）.The leaves are vertical when the electroscope is uncharged. As a negatively chargedrod is brought near, the leaves diverge. If you recall the hypothesis that only negativecharges move in solids, you can understand that the electrons in the knob of the elec-troscope are repelled down to the leaves through the conducting stem. The knobbecomes positively charged, as can be verified with a charged pith ball, as long as therod is near but not touching （Figure 15.2b）. Upon contact, electrons are directlytransferred to the knob, stem, and leaves. The whole electroscope then becomes neg-atively charged （Figure 15.2c）. The extent to which the leaves are spread apart is anindication of how much charge is present （but only qualitatively）. If you touch theelectroscope, you will ground it and the leaves will collapse together.

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