Concave Mirror vocab Flashcards
What does aperture describe?
Aperture describes how much light will be intercepted by the mirror.
What is the center of curvature?
The center of curvature is the center of the imaginary sphere upon which a curved mirror rests.
How does the shape of a mirror affect the center of curvature?
The flatter the mirror, the farther away the center of curvature.
What is a concave mirror?
A concave mirror is a converging mirror that forms either real or virtual images which may be magnified.
What is a convex mirror?
A convex mirror is a diverging mirror that forms virtual images which may be magnified.
What is focal length?
Focal length is the distance from the lens or mirror to the principal focus.
What is the principal axis?
The principal axis is the main line drawn through the center of the mirror or lens.
What is the principal focus?
The principal focus is the point where light rays parallel and close to the principal axis converge or appear to diverge.
What is a ray diagram?
A ray diagram is a tracing of the light rays to show where the image forms after being reflected off a mirror or refracted through a lens.
What is a real image?
A real image is an image that can be projected onto a screen at its location, inverted relative to the object, and can be magnified.
What is the secondary axis?
The secondary axis is any line drawn through the center of curvature to the mirror or lens.
What is the vertex?
The vertex is the center of a lens or mirror.
What is a virtual image?
A virtual image is an image that cannot be projected onto a screen, is not inverted relative to an object, and can be magnified.
