What Happens to White Light in a Pyramid When Submerged in an Aquarium?

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SUMMARY

When white light is shone into a pyramid submerged in an aquarium, a spectrum of colors is produced, but the distance between red and violet is larger than in air. This phenomenon occurs due to the refraction of light as it passes through different mediums, specifically water and glass. The laws of refraction, including Snell's Law, govern how light bends when transitioning between air and water, leading to the observed changes in the spectrum.

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1. If you shine white light into a pyramid, a spectrum of colors is produced. What happens if you shine this white light if the pyramid is submerged in an aquarium?

a) No spectrum is produced
b) A spectrum is produced, but with the colors in reverse order
c) A spectrum is produced with the distance between red and violet shorter
d) a spectrum is produced with the distance between red and violet larger
e) a normal spectrum is produced
 
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Why do the prism separate the colours in air? What laws are involved?
 

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