Clickers4

Clickers4 - Why when you put a stick into a glass of water...

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The law of reflection states that the angle of incident and angle of reflected rays 1. are the same 2. are related to each other as n a sin θ a =n b sin b 3. are related to each other as n a /sin a =n b /sin b
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When light passes through a material, its speed compared to the light velocity in vacuum 1. Decreases 2. Increases 3. Does not change
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The appearance of rainbow is connected to the fact that 1. Various wavelengths constituting the sun light are reflected from the rain drops with different angles 2. Various wavelengths constituting the sun light are refracted in the rain drops slightly differently. 3. there is a total internal reflection in the rain drops
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Unformatted text preview: Why when you put a stick into a glass of water it appears bended? 1. Because reflected rays from the stick refract at the surface water-air 2. Because the water acts as a converging lens 3. Because the light disperses when passing the surface water-air When light travels from medium X to medium Y as shown in the figure: 1. both the speed and the wavelength increase 2. both the speed and the frequency increase 3. both the wavelength and the frequency are unchanged 4. both the speed and the wavelength decrease 5. both the speed and the frequency decrease X Y...
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This note was uploaded on 01/10/2010 for the course PHY na taught by Professor Richardscalettar during the Fall '09 term at UC Davis.

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Clickers4 - Why when you put a stick into a glass of water...

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