首页
登录
职称英语
Awarded the Nobel Prize for physics in 1918, German physicist Max Planck is
Awarded the Nobel Prize for physics in 1918, German physicist Max Planck is
游客
2025-02-02
6
管理
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 hv. 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. [br] The particles of electromagnetic radiation given off by matter are known as ______.
选项
A、quantums
B、atoms
C、electrons
D、valences
答案
A
解析
细节题型。见文章第二段第四、五句:The model required the emission of electromagnetic radiation in small chunks or particles. These particles were later called quantums.由此可看出发出电磁辐射的微粒应为quantums(量子),选项A正确。
转载请注明原文地址:https://tihaiku.com/zcyy/3939836.html
相关试题推荐
AwardedtheNobelPrizeforphysicsin1918,GermanphysicistMaxPlanckis
AwardedtheNobelPrizeforphysicsin1918,GermanphysicistMaxPlanckis
AwardedtheNobelPrizeforphysicsin1918,GermanphysicistMaxPlanckis
Somephysicistshaveproposedthatsunspotsandsolarwindhavenegligibleeffec
Someadvancedeconomies,notablyJapanandGermany,faredbetterthanothersdur
ThewinneroftheNobelPrizeinphysicsdedicatedthehonortohishighschool
ThewinneroftheNobelPrizeinphysicsdedicatedthehonortohishighschool
Someofthemostimportantconceptsinphysics______theirsuccesstothesemat
TalksonclimatechangeresumedintheGermancityofBonnonJuly16tocombat
ThewinneroftheNobelPrizeinphysicsdedicatedthehonortohishighschool
随机试题
TheGherkinBuildingCommissionedby:【L31】________firmcalledFosterandPartner
OnOctober2nd,AshokaMukpolefthisfatheravoicemailfromMonrovia,say
(1)DanielChivu,afourth-yearCarletonUniversitystudentfromToronto,ha
A.BusinessmanagerYouwillberesponsibleforourglobalbusinesswithins
设一次试验中,出现事件A的概率为P,则n次试验中A至少发生一次的概率为_____
①____右耳、右视野的所闻所见总是传给左脑;左耳、左视野捕捉到的信息,则全部输
桂老师教授《封面设计》一课时,让学生相互欣赏彼此的设计,选择一个自己最喜欢的作品
A.清热豁痰,定惊利窍B.清热化痰,清心定惊C.消痰散结,清热解毒D.止咳平喘,
(2021年真题)下列规划中,属于指导特定区域发展和制定相关政策重要依据的是()
常见建筑结构体系中,适用房屋高度最小A.框架结构体系 B.剪力墙结构体系 C
最新回复
(
0
)