Using filters, a technician has created a beam of light that consists of three wavelengths: 400 nm (violet), 500 nm (green), and 650 nm (red). She aims the beam so that it passes through air and then enters a block of crown glass. The beam enters the glass at an incidence angle of 0, = 30.2°. The glass block has the following indices of refraction for the respective wavelengths in the light beam. wavelength (nm) 400 500 650 index of refraction = 1.53 N400 nm n 500 nm = 1.52 "650 nm = 1.51 (a) Upon entering the glass, are all three wavelengths refracted equally, or is one bent more than the others? 400 nm light is bent the most 500 nm light is bent the most 650 nm light is bent the most all colors are refracted alike (b) What are the respective angles of refraction (in degrees) for the three wavelengths? (Enter each value to at least two decimal places.) (1) O 400 nm (ii) O500 nm (iii) 0, 650 nm
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.
![Using filters, a technician has created a beam of light that consists of three wavelengths: 400 nm (violet), 500 nm (green), and 650 nm
(red). She aims the beam so that it passes through air and then enters a block of crown glass. The beam enters the glass at an
incidence angle of 0, = 30.2°.
The glass block has the following indices of refraction for the respective wavelengths in the light beam.
wavelength (nm)
400
500
650
index of refraction
N 400 nm
= 1.53
n 500 nm
= 1.52
n650 nm
= 1.51
(a) Upon entering the glass, are all three wavelengths refracted equally, or is one bent more than the others?
400 nm light is bent the most
500 nm light is bent the most
650 nm light is bent the most
all colors are refracted alike
(b) What are the respective angles of refraction (in degrees) for the three wavelengths? (Enter each value to at least two decimal
places.)
(i)
O 400 nm
(ii) O500 nm
(i) O650 nm](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5f857f5f-bb74-4b50-bad4-7b094ac5b239%2Fd045e351-c95c-485a-b76e-d59cef8c71f5%2Fljrnp9j_processed.jpeg&w=3840&q=75)
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