Rays
What is meant by the term "refraction of light"?
The bending of light rays
Gramps can't see up close. What is the basic name people refer to this as? Not the scientific name.
Farsightedness
I can't see far away. What is the basic name people refer to this as? Not the scientific name.
Nearsightedness
The opening of an eye piece is called what?
Aperture
Can virtual images be projected onto a screen?
No
_________ light rays hit a surface
Incident light rays hit a surface
Gramps can't see up close. What is the scientific name for this?
Presbyopia
I can't see far away. What is the scientific name for this?
Myopia
Which way does a convex lens bow?
Outward
Can objective lens of telescopes form magnified images?
No - they form real image
What indicates how much light slows down in a different medium?
The index of refraction
Gramps can't see up close, this is because he is focusing an image where? In regards to retina
Behind
I can't see far away, this is because I am focusing an image where? In regards to retina
in front of
If an object is closer than the focal point of a convex lens, what image is formed?
magnified virtual
When light passes through hot air near the ground, it is refracted upward and gives the illusion of what?
Mirage- looks like something in water
Since Gramps can't see up close, how is his condition corrected? aka what type of lens?
Positive converging/ convex lens
Since I can't see far away, how is my condition corrected? aka what type of lens?
negative concave/ negative diverging lens
The ability of accommadation is being able to _________________ on objects closer to you. What does the lens need to do?
focus, lens need to ge thinner