Image Formation

What is the telescope that relies on the refraction or bending of light by lenses?

• Refracting telescopes

• Optical telescopes

• Radio telescopes

• Space telescopes

What is magnification?

• inverse of focal length

• ratio of image height to object height

• angle of reflection equals the angle of incidence

• distance from the center of a lens or curved mirror to its focal point

What is Focal length?

• angle of reflection equals the angle of incidence

• inverse of focal length

• distance from the center of a lens or curved mirror to its focal point

• ratio of image height to object height

What is this picture?

• Lenses

• Mirror

What is a Converging mirror?

• the angle of reflection equals the angle of incidence

• a concave mirror in which light rays that strike it parallel to its axis converge at one or more points along the axis

• a convex lens in which light rays that enter it parallel to its axis converge at a single point on the opposite side

• the angle of reflection equals the angle of refraction

What is this picture?

• Lenses

• Flat Mirror

What is this picture?

• Case 1 - Real Image

• Case 2 - Virtual Image

What is a Virtual image?

• an image that cannot be projected

• an image that can be projected

What is this picture?

• Camera

• Microscope

What is this picture?

• Convex

• Concave