NAO Exam Review Questions and Answers 100% Solved correctly
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Course
NAO
Institution
NAO
When a ray of light meets a different substance what 4 things occur? - ️️a. Some
light will be reflected at the boundary.
b. Some are scattered.
c. Some are absorbed.
d. The rest will travel through new substance.
Which color has the shortest wavelength, travels the slowest, bends the most...
NAO Exam Review
When a ray of light meets a different substance what 4 things occur? - ✔️✔️a. Some
light will be reflected at the boundary.
b. Some are scattered.
c. Some are absorbed.
d. The rest will travel through new substance.
Which color has the shortest wavelength, travels the slowest, bends the most, and has
the most energy? - ✔️✔️Violet
Formula for Metric System - ✔️✔️1m = 10dm = 100cm = 1000mm
UVA rays ranges from _______ nanometers and are absorbed by the _________
______. - ✔️✔️(315-400), crystalline lens
UVB rays ranges from ______ nanometers and are absorbed by the ________. -
✔️✔️(275-330), cornea
Infrared wavelengths are _____ than the color red's wavelengths. - ✔️✔️Longer
How can you calculate the speed of light in a new medium? - ✔️✔️n = c/v
Define n = c/v - ✔️✔️Index of refraction = speed of light in vacuum / speed of light in
new medium
Which color has the longest wavelength, travels the fastest, bends the least, and has
the least energy? - ✔️✔️Red
Define Incident Ray - ✔️✔️a ray of light that strikes a surface
Angle of Incidence - ✔️✔️the angle between the incident ray and the normal
Angle of Refraction - ✔️✔️the angle between the refracted ray and the normal
Define Aphakia - ✔️✔️absence of a lens
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