'Light incident' diaporamas de présentation

The Impact of School Start Times on Adolescent Health and Academic Performance

The Impact of School Start Times on Adolescent Health and Academic Performance. Presented by Your Name. Phase Delay. Begins with the onset of puberty The sleep/wake pattern undergoes a biological delay in the timing of sleep.

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Problem 15.

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Phenomena Related to Refraction

Phenomena Related to Refraction. Why do we see images in mirrors?. We know that light travels in straight lines Our brains interpret the light that is reflected off mirrors as coming from a source behind the mirror. Magic Penny?.

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WAVES

WAVES. WAVE INTERACTIONS. FOUR WAYS WAVES INTERACT. REFLECTION REFRACTION DIFFRACTION INTERFERENCE. How waves interact with a medium. How waves interact with other waves. LAW OF REFLECTION. Angle of incidence = angle of reflection.

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E or B ? It Depends on Your Perspective

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WAVES

WAVES. WAVE INTERACTIONS. FOUR WAYS WAVES INTERACT. R-R-D-I REFLECTION REFRACTION DIFFRACTION INTERFERENCE. How waves interact with a medium. How waves interact with other waves. LAW OF REFLECTION. Angle of incidence = angle of reflection. 29.2 The Law of Reflection.

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a) I 2 = 0 b) I 2 = 0.25 I 0 c) I 2 = 0.5 I 0 d) I 2 = I 0 e) None of the above.

Completely unpolarized horizontally traveling light of intensity I 0 is normally incident on a vertical polarizer. The light that gets through is then normally incident on a horizontal polarizer. How does the intensity I 2 of the light that gets through both polarizers compare with I 0 ?.

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Shaping the color

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Color

Color. C O L O R. Materials may be classified as: transparent - readily transmits light; can clearly see objects through them translucent - transmits, but diffuses, light; cannot see objects clearly through them opaque - transmits no light; cannot see through them.

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q 1 = q 2 n 1sin q 1 = n 2sin q 3

According to Fresnel formula the angles q 1of the incident wave, q 2 of the reflected wave and q 3 of the refracted wave are given by the equation :. q 1 = q 2 n 1sin q 1 = n 2sin q 3.

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