2. 外语
  3. Awarded the Nobel Prize for physics in 1918, German physicist Max Planck is best remembered as the originator of the quantum the

Awarded the Nobel Prize for physics in 1918, German physicist Max Planck is best remembered as the originator of the quantum the

admin2006-07-14  63
问题     Awarded the Nobel Prize for physics in 1918, German physicist Max Planck is best remembered as the originator of the quantum theory. His work helped usher in a new era in theoretical physics and revolutionized the scientific community’s understanding of atomic and subatomic processes.
Planck introduced an idea that led to the quantum theory, which became the foundation of twentieth century physics. In December 1900, Planck worked out an equation that described the distribution of radiation accurately over the range of low to high frequencies. He had developed a theory which depended on a model of matter that seemed very strange at the time. The model required the emission of electromagnetic radiation in small chunks or particles. These particles were later called quantums. The energy associated with each quantum is measured by multiplying the frequency of the radiation, v, by a universal constant, h. Thus, energy, or E, equals by. The constant, h, is known as Planck’s constant. It is now recognized as one of the fundamental constants of the world.
    Planck announced his findings in 1900, but it was years before the full consequences of his revolutionary quantum theory were recognized. Throughout his life, Planck made significant contributions to optics, thermodynamics and statistical mechanics, physical chemistry, among other fields.
The implication in this passage is that ______
选项 A、only a German physicist could discover such a theory
B、quantum theory, which led to the development of twentieth century physics, is basically a mathematical formula
C、Planck’s constant was not discernible before 1900
D、radiation was hard to study
答案B
解析 见文章第二段的第一和第二句：Planck introduced an idea that led to the quantum theory，which became the foundation of twentieth century physics，In December 1900，Planck worked out an equation that described the distribution of radiation accurately over the range of low to high frequencies．可推出：导致20世纪物理学发展的量子论基本上是一个数学公式，所以选项B正确。
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