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Snell's law example 2 | Geometric optics | Physics | Khan Academy

161,017 views

Khan Academy

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

98%
  • 11:12 / 11:25

Speech Rate:

  • 163 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

involved

/inˈvälvd/

adjective verb

difficult to understand. To have or be included as a part of something.

travels

/ˈtravəl/

noun other verb

action of travelling. Journeys to other places, often for pleasure. make journey.

outside
adjective adverb noun preposition

situated on or near outside. Beyond the limits or edges of some place, thing. Area around or near something, such as a building. Beyond the limits or edges of some place, thing.

surface

/ˈsərfəs/

adjective noun verb

relating to or found on surface of something. outside part or uppermost layer of something. rise or come up to surface of water or ground.

refracted

/rəˈfrakt/

verb

(of water, air, or glass) make ray of light change direction when it enters at angle.

pointer

/ˈpoin(t)ər/

noun

thin metal indicator on scale or dial.

distance

/ˈdistəns/

noun verb

length of space between two points. To make it clear that you are not involved.

slightly

/ˈslītlē/

adverb

Only a little.

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