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爱因斯坦在1905年提出了著名的质能方程 E=mc2,为原子能的开发和利用提供了理论基础．要正确理解质能方程,应把握以下两点: 1．一定的质量总是与一定的能量相对应质量与能量是物体从不同方面表现出来的两种固有属性,质能方程E=mc2一方面说明在物质世界中,能量总是与质量对应着,另一方面还揭示了质量与能量之间量的关系．物体增加(或减少)的能量(质量)与增加(或减少)的质量 (能量)成正比,即ΔE=Δmc2．
In 1905, Einstein proposed the well-known energy equation E=mc2, which provided a theoretical basis for the development and utilization of atomic energy. To understand the equation of quality energy correctly, you should grasp the following two points: 1. A certain quality always corresponds to a certain amount of energy. Quality and energy are two intrinsic properties of objects manifested from different aspects. The equation of mass energy E=mc2 indicates that in the material world, energy always corresponds to quality, and On the one hand, it also reveals the relationship between mass and energy. The increase (or decrease) of the energy (mass) of an object is proportional to the increase (or decrease) of the mass (energy), ie ΔE=Δmc2.