狭义相对论评论ppt课件

发布时间:2012-03-09

课件大小:0.06 MB

所属栏目:基础类

课件格式:.rar(压缩解压).ppt(使用格式)

课件等级:狭义相对论评论ppt课件推荐等级为3星

简略标题:狭义相对论评论

应用环境:应用于多媒体教学

制作使用软件:PowerPoint

应用阶段:大学物理

狭义相对论评论ppt课件介绍及下载


狭义相对论评论ppt课件内容预览:Newtonian mechanics is invariant with respect to Galilean transformations. These are transformations between reference frames O and O’ given by eqns (1). O O’ P pptt’ = t (1b) z’ = z(1c) y’ = y(1d) Time is assumed to be a universal parameter, independent of the reference frame. The coordinates of point P transform according to equations 1. O’ moves to the right with a velocity v with respect to O. Invariance of physical laws with respect to transformations of inertial reference frames was a long held and justifiable assumption. We assume thatthis invariance is a property of space and time. Observations by all competent observers are equally valid. In the case of sound waves we could say that a reference frame moving with the wind velocity is a preferred frame, for in this frame the equations are the most simple. 2 狭义相对论评论In the absence of the aether there is no natural preferred reference frame for electromagnetic theory. We still conclude that all inertial reference frames are equally valid and hence the wave equations must have the same form in all inertial reference frames. However, it is straightforward to show that the wave equation does not satisfy Galilean relativity. Consider the transformation of the wave equation for a one dimensional wave V(x,t). In the O system,
课件关键字:狭义相对论评论,相对论,相对,评论。
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