1995年全国卷高考物理真题及答案

1995年全国卷高考物理真题及答案第Ⅰ卷一、本题共 11 小题，每小题 3 分，共 33 分．在每小题给出的四个选项中只有一项是正确的．1．两个物体 A 和 B，质量分别为 M 和 m，用跨过定滑轮的轻绳相连，A 静止于水平地面上， 如图所示．不计摩擦， A 对绳的作用力的大小与地面对 A 的作用力的大小分别为 A．mg，(M－m)g B．mg，MgC．(M－m)g，Mg D．(M－m)g，(M－m)g2．在观察光的衍射现象的实验中，通过紧靠眼睛的卡尺测脚形成的狭缝，观看远处的日光灯管或线状白炽灯丝(灯管或灯丝都要平行于狭缝)，可以看到A．黑白相间的直条纹 B．黑白相间的弧形条纹 C．彩色的直条纹 D．彩色的弧形条纹．3．已知铜的密度为，原子量为 64．通过估算可知铜中每个铜原子所占的体积为A． B． C． D．4．放射性元素的样品经过 6 小时后还有 1/8 没有衰变它的半衰期是．A．2 小时 B．1.5 小时 C．1.17 小时 D．0.75 小时．5．在 LC 振荡电路中，用以下的哪种办法可以使振荡频率增大一倍? A．自感 L 和电容 C 都增大一倍 B．自感 L 增大一倍，电容 C 减小一半C．自感 L 减小一半，电容 C 增大一倍 D．自感 L 和电容 C 都减小一半．6．在演示光电效应的实验中，原来不带电的一块锌板与灵敏验电器相连．用弧光灯照射锌板时，验电器的指针就张开一个角度，如图 2 所示．这时作为一名测量人员，x认真履行岗位职责，紧密配合施工，制定切实可行的的测量放线方案。保罗回忆自己年少时癿经历，丌断怃耂生命、医疗、道德不哲学乊间癿兰系，丌仅为从医考提供了新规觇，使他们对自己癿职业呾使命有更为深入癿怃耂，耄丏为读考引路，觑人们更勇敢、沉着地看待生命、死亜不未来。situation, causing the livelihod of 10 tailings project management project and South Mining Technology in two enginering work lag. Corrective measures: (LED Leadership: Luo Mingjun, rectification time: before September 25th, insist for a long time) 1, strictly abide by the party's political discipline. Strictly abide by the constitution, the principle of Party organization and party political life standards, do not spread against the party's theory and policy advice, not contrary to published The central and provincial Party committe decided to talk, not to divulge the secrets of the party and the state, do not make no illegal organization and participate in various activities, political, spread rumors and false information, not to publish losy unity of spech, do not damage the unity of things, and never allow individuals above the organization. 2, adhere to the scientific and democratic decision-making the decision to make decisions. Correctly handle to ensure that government decres and based on the actual creative work, giving full play to subjective initiative, put an end to implement the conference meting, to document the implementation of documents and so on. To improve the scientific and democratic decision-making mechanism, improve and implement the decision to solicit opinions, experts, public hearings and other health system. All major decisions before the risk assesment mechanism and legitimacy review mechanism. Adhere to the interests of the masses and the intention reflected in the policy making process and carry out the work, not acting on their behalf, "across the board" and coercion. (two) the existence of "negative communication" o...