Refraction of Light
Refraction is a change in the direction of light rays when they travel from one medium to another. It is the bending of light when it goes through different media.
Angle of Refraction
Light is considered by many scientists to have dual nature, both particle nature and wave nature. First, Particle nature is one in which we consider a stream of packets of energy called photons. Second, Wave nature is considering light as electromagnetic radiation whereas part of it is perceived by humans. Visible spectrum defined by humans lies in a range of 400 to 700 nm wavelengths.
Index of Refraction of Diamond
Diamond, the world’s hardest naturally occurring material and mineral known, is a solid form of the element carbon. The atoms are arranged in a crystal structure called diamond cubic. They exist in a huge variety of colours. Also, they are one of the best conductors of heat and have a very high melting point.
Express your understanding of filters by answering the following questions. Choose the best answer(s) from the Color Table.
k. A blue object is illuminated with white light and viewed through a green filter. The object will appear _____.
l. A cyan object is illuminated with white light and viewed through a cyan filter. The object will appear _____.
m. A cyan object is illuminated with white light and viewed through a green filter. The object will appear _____.
n. A yellow object is illuminated with white light and viewed through a green filter. The object will appear _____.
o. A yellow object is illuminated with white light and viewed through a magenta filter. The object will appear _____.
p. A yellow object is illuminated with yellow light and viewed through a yellow filter. The object will appear _____.
q. A yellow object is illuminated with yellow light and viewed through a blue filter. The object will appear _____.
r. A yellow object is illuminated with blue light and viewed through a yellow filter. The object will appear _____.
s. A blue object is illuminated with blue light and viewed through a yellow filter. The object will appear _____.
t. A yellow object is illuminated with yellow light and viewed through a red filter. The object will appear _____.
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