介绍了第46届国际物理奥林匹克竞赛实验题"螺旋结构引起的衍射"和"水的表面张力波引起的衍射",以及竞赛组织者给出的标准解答.
The 46 th International Physics Olympiad experiment test consisted of two tasks:determination of geometrical parameters of a helical spring,diffraction due to surface tension waves on water.The texts and solutions for the problem were given.