optica Flashcards

1
Q

Optica

A

Rama de la fisica que estudia la luz

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2
Q

Luz

A

Energia radiante electromagnetica de longitud corta

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3
Q

velocidad de la luz

A

300,000 km/seg

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4
Q

Intensidad luminosa

A

Candela
Cantidad de luz emitida por un cuerpo luminoso

Cd= lu/sr

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5
Q

Flujo luminoso

A

Lumen

luz que fluye en un determinado tiempo

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6
Q

Luminancia

A

lux
Cantidad de luz que recibe una superficie
lx= lu • m2

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7
Q

Ley iluminacion

A

I (iluminancia) = i (intensidad)/ r^2

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8
Q

Sonido

A

energia mecanica que se transmite por el aire v= 330m/s

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9
Q

Intensidad (volumen)

A
Sonido fuerte (mayor amplitud)
Sonido debil (menor amplitud)
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10
Q

Tono

A

Agudo: mayor frecuencia
Grave: Menor frecuencia

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11
Q

Resonancia

A

Cuando dos cuerpos tienen la misma frecuencia o numeros enteros

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