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Specular and diffuse reflection 2 | Geometric optics | Physics | Khan Academy

184,271 views

Khan Academy

Video Language:

  • English

Caption Language:

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

Accent:

  • English

Speech Time:

99%
  • 7:39 / 7:41

Speech Rate:

  • 209 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

specular

/ˈspekyələr/

adjective

Capable of reflecting light like a mirror.

actually

/ˈak(t)SH(o͞o)əlē/

adverb

Used to add new (often different) information.

slightly

/ˈslītlē/

adverb

Only a little.

directly

/diˈrektlē/

adverb conjunction

without changing or stopping. as soon as.

message

/ˈmesij/

noun verb

Main idea or theme in a story, book, or film. To communicate using text.

surface

/ˈsərfəs/

adjective noun verb

relating to or found on surface of something. Top layer of the ground or of water. rise or come up to surface of water or ground.

diffuse
adjective verb

spread out over large area. spread over wide area.

obviously

/ˈäbvēəslē/

adverb

in way that is easily perceived or understood.

shallow

/ˈSHalō/

adjective noun verb

of little depth. area of sea, lake, or river. become less deep over time or in particular place.

correction

/kəˈrekSH(ə)n/

noun

action of correcting.

because

/bēˈkəz/

conjunction

for reason that.

someone

/ˈsəmˌwən/

pronoun

Person who is not known or named.

probably

/ˈpräbəblē/

adverb

certainly.

pointed

/ˈpoin(t)əd/

adjective verb

Having a sharp end, like a pen or pin. To indicate something with your finger to others.

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