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Photoelectric Effect: History of Einstein's Revolutionary View of Light

117,277 views

Kathy Loves Physics & History

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English (US)

Speech Time:

98%
  • 16:18 / 16:33

Speech Rate:

  • 162 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

properties

/ˈpräpərdē/

noun other

possessions collectively. Buildings or pieces of land owned by someone.

created

/krēˈāt/

verb

bring into existence.

radiate
adjective verb

arranged in or having radial pattern. To show a lot of feeling clearly.

quantum

/ˈkwän(t)əm/

noun

discrete quantity of energy proportional in magnitude to frequency of radiation.

assumed

/əˈso͞om/

verb

To believe, based on the evidence; suppose.

physicist

/ˈfizəsəst/

noun

Person who studies and works in physics.

personal

/ˈpərs(ə)n(ə)l/

adjective noun

belonging to or affecting particular person. advertisement in personal column of newspaper.

revolutionary

/ˌrevəˈlo͞oSHəˌnerē/

adjective noun

involving or causing complete or dramatic change. Person fighting to replace a government.

electricity

/əˌlekˈtrisədē/

noun

Energy generated positive and negative charges.

included

/inˈklo͞odəd/

adjective verb

contained as part of whole being considered. To make someone, something part of a group.

objects
noun other verb

material thing. Goals or purposes of particular plans or activities. To disagree; to protest against an idea or plan.

photoelectric

/ˌfōdōəˈlektrik/

adjective

characterized by or involving emission of electrons from surface by action of light.

mechanics

/məˈkaniks/

noun other

science of motion. Branch of physics concerned with motion of bodies.

conservative

/kənˈsərvədiv/

adjective noun

(Of an estimate, price) set fairly low. Person with traditional ideas; doesn't like change.

certain

/ˈsərtn/

adjective pronoun

Definite, fixed. some.

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